256621596

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^2$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 819439488

約数和(自身を除く): 562817892

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 28, 31, 33, 34, 42, 44, 51, 62, 66, 68, 77, 84, 93, 102, 119, 124, 132, 154, 186, 187, 204, 217, 231, 238, 289, 308, 341, 357, 372, 374, 434, 462, 476, 527, 561, 578, 651, 682, 714, 748, 867, 868, 924, 961, 1023, 1054, 1122, 1156, 1302, 1309, 1364, 1428, 1581, 1734, 1922, 2023, 2046, 2108, 2244, 2387, 2604, 2618, 2883, 3162, 3179, 3468, 3689, 3844, 3927, 4046, 4092, 4774, 5236, 5766, 5797, 6069, 6324, 6358, 6727, 7161, 7378, 7854, 8092, 8959, 9537, 9548, 10571, 11067, 11532, 11594, 12138, 12716, 13454, 14322, 14756, 15708, 16337, 17391, 17918, 19074, 20181, 21142, 22134, 22253, 23188, 24276, 26877, 26908, 28644, 31713, 32674, 34782, 35836, 38148, 40362, 40579, 42284, 44268, 44506, 49011, 53754, 62713, 63426, 65348, 66759, 69564, 73997, 80724, 81158, 89012, 98022, 98549, 107508, 114359, 121737, 125426, 126852, 133518, 147994, 162316, 179707, 188139, 196044, 197098, 221991, 228718, 243474, 250852, 267036, 277729, 295647, 295988, 343077, 359414, 376278, 394196, 443982, 457436, 486948, 539121, 555458, 591294, 686154, 689843, 718828, 752556, 833187, 887964, 1078242, 1110916, 1182588, 1257949, 1372308, 1379686, 1666374, 1944103, 2069529, 2156484, 2515898, 2759372, 3055019, 3332748, 3773847, 3888206, 4139058, 5031796, 5832309, 6110038, 7547694, 7776412, 8278116, 9165057, 11664618, 12220076, 15095388, 18330114, 21385133, 23329236, 36660228, 42770266, 64155399, 85540532, 128310798, 256621596]

約数ペア:

[(1, 256621596), (2, 128310798), (3, 85540532), (4, 64155399), (6, 42770266), (7, 36660228), (11, 23329236), (12, 21385133), (14, 18330114), (17, 15095388), (21, 12220076), (22, 11664618), (28, 9165057), (31, 8278116), (33, 7776412), (34, 7547694), (42, 6110038), (44, 5832309), (51, 5031796), (62, 4139058), (66, 3888206), (68, 3773847), (77, 3332748), (84, 3055019), (93, 2759372), (102, 2515898), (119, 2156484), (124, 2069529), (132, 1944103), (154, 1666374), (186, 1379686), (187, 1372308), (204, 1257949), (217, 1182588), (231, 1110916), (238, 1078242), (289, 887964), (308, 833187), (341, 752556), (357, 718828), (372, 689843), (374, 686154), (434, 591294), (462, 555458), (476, 539121), (527, 486948), (561, 457436), (578, 443982), (651, 394196), (682, 376278), (714, 359414), (748, 343077), (867, 295988), (868, 295647), (924, 277729), (961, 267036), (1023, 250852), (1054, 243474), (1122, 228718), (1156, 221991), (1302, 197098), (1309, 196044), (1364, 188139), (1428, 179707), (1581, 162316), (1734, 147994), (1922, 133518), (2023, 126852), (2046, 125426), (2108, 121737), (2244, 114359), (2387, 107508), (2604, 98549), (2618, 98022), (2883, 89012), (3162, 81158), (3179, 80724), (3468, 73997), (3689, 69564), (3844, 66759), (3927, 65348), (4046, 63426), (4092, 62713), (4774, 53754), (5236, 49011), (5766, 44506), (5797, 44268), (6069, 42284), (6324, 40579), (6358, 40362), (6727, 38148), (7161, 35836), (7378, 34782), (7854, 32674), (8092, 31713), (8959, 28644), (9537, 26908), (9548, 26877), (10571, 24276), (11067, 23188), (11532, 22253), (11594, 22134), (12138, 21142), (12716, 20181), (13454, 19074), (14322, 17918), (14756, 17391), (15708, 16337)]