778765428

素因数分解:

$2^2\times 3^5\times 7^2\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:313

約数の個数: 216

約数和(自身を含む): 2415565152

約数和(自身を除く): 1636799724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 83, 84, 98, 108, 126, 147, 162, 166, 189, 196, 197, 243, 249, 252, 294, 324, 332, 378, 394, 441, 486, 498, 567, 581, 588, 591, 747, 756, 788, 882, 972, 996, 1134, 1162, 1182, 1323, 1379, 1494, 1701, 1743, 1764, 1773, 2241, 2268, 2324, 2364, 2646, 2758, 2988, 3402, 3486, 3546, 3969, 4067, 4137, 4482, 5229, 5292, 5319, 5516, 6723, 6804, 6972, 7092, 7938, 8134, 8274, 8964, 9653, 10458, 10638, 11907, 12201, 12411, 13446, 15687, 15876, 15957, 16268, 16351, 16548, 19306, 20169, 20916, 21276, 23814, 24402, 24822, 26892, 28959, 31374, 31914, 32702, 36603, 37233, 38612, 40338, 47061, 47628, 47871, 48804, 49053, 49644, 57918, 62748, 63828, 65404, 73206, 74466, 80676, 86877, 94122, 95742, 98106, 109809, 111699, 114457, 115836, 141183, 146412, 147159, 148932, 173754, 188244, 191484, 196212, 219618, 223398, 228914, 260631, 282366, 294318, 329427, 335097, 343371, 347508, 439236, 441477, 446796, 457828, 521262, 564732, 588636, 658854, 670194, 686742, 781893, 801199, 882954, 988281, 1030113, 1042524, 1317708, 1324431, 1340388, 1373484, 1563786, 1602398, 1765908, 1976562, 2060226, 2345679, 2403597, 2648862, 3090339, 3127572, 3204796, 3953124, 3973293, 4120452, 4691358, 4807194, 5297724, 6180678, 7210791, 7946586, 9271017, 9382716, 9614388, 12361356, 14421582, 15893172, 18542034, 21632373, 27813051, 28843164, 37084068, 43264746, 55626102, 64897119, 86529492, 111252204, 129794238, 194691357, 259588476, 389382714, 778765428]

約数ペア:

[(1, 778765428), (2, 389382714), (3, 259588476), (4, 194691357), (6, 129794238), (7, 111252204), (9, 86529492), (12, 64897119), (14, 55626102), (18, 43264746), (21, 37084068), (27, 28843164), (28, 27813051), (36, 21632373), (42, 18542034), (49, 15893172), (54, 14421582), (63, 12361356), (81, 9614388), (83, 9382716), (84, 9271017), (98, 7946586), (108, 7210791), (126, 6180678), (147, 5297724), (162, 4807194), (166, 4691358), (189, 4120452), (196, 3973293), (197, 3953124), (243, 3204796), (249, 3127572), (252, 3090339), (294, 2648862), (324, 2403597), (332, 2345679), (378, 2060226), (394, 1976562), (441, 1765908), (486, 1602398), (498, 1563786), (567, 1373484), (581, 1340388), (588, 1324431), (591, 1317708), (747, 1042524), (756, 1030113), (788, 988281), (882, 882954), (972, 801199), (996, 781893), (1134, 686742), (1162, 670194), (1182, 658854), (1323, 588636), (1379, 564732), (1494, 521262), (1701, 457828), (1743, 446796), (1764, 441477), (1773, 439236), (2241, 347508), (2268, 343371), (2324, 335097), (2364, 329427), (2646, 294318), (2758, 282366), (2988, 260631), (3402, 228914), (3486, 223398), (3546, 219618), (3969, 196212), (4067, 191484), (4137, 188244), (4482, 173754), (5229, 148932), (5292, 147159), (5319, 146412), (5516, 141183), (6723, 115836), (6804, 114457), (6972, 111699), (7092, 109809), (7938, 98106), (8134, 95742), (8274, 94122), (8964, 86877), (9653, 80676), (10458, 74466), (10638, 73206), (11907, 65404), (12201, 63828), (12411, 62748), (13446, 57918), (15687, 49644), (15876, 49053), (15957, 48804), (16268, 47871), (16351, 47628), (16548, 47061), (19306, 40338), (20169, 38612), (20916, 37233), (21276, 36603), (23814, 32702), (24402, 31914), (24822, 31374), (26892, 28959)]