28148148

素因数分解:

$2^2\times 3^6\times 7^2\times {\mathrm{197}}^1$

素因数の和:233

約数の個数: 126

約数和(自身を含む): 86349186

約数和(自身を除く): 58201038

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 81, 84, 98, 108, 126, 147, 162, 189, 196, 197, 243, 252, 294, 324, 378, 394, 441, 486, 567, 588, 591, 729, 756, 788, 882, 972, 1134, 1182, 1323, 1379, 1458, 1701, 1764, 1773, 2268, 2364, 2646, 2758, 2916, 3402, 3546, 3969, 4137, 5103, 5292, 5319, 5516, 6804, 7092, 7938, 8274, 9653, 10206, 10638, 11907, 12411, 15876, 15957, 16548, 19306, 20412, 21276, 23814, 24822, 28959, 31914, 35721, 37233, 38612, 47628, 47871, 49644, 57918, 63828, 71442, 74466, 86877, 95742, 111699, 115836, 142884, 143613, 148932, 173754, 191484, 223398, 260631, 287226, 335097, 347508, 446796, 521262, 574452, 670194, 781893, 1005291, 1042524, 1340388, 1563786, 2010582, 2345679, 3127572, 4021164, 4691358, 7037037, 9382716, 14074074, 28148148]

約数ペア:

[(1, 28148148), (2, 14074074), (3, 9382716), (4, 7037037), (6, 4691358), (7, 4021164), (9, 3127572), (12, 2345679), (14, 2010582), (18, 1563786), (21, 1340388), (27, 1042524), (28, 1005291), (36, 781893), (42, 670194), (49, 574452), (54, 521262), (63, 446796), (81, 347508), (84, 335097), (98, 287226), (108, 260631), (126, 223398), (147, 191484), (162, 173754), (189, 148932), (196, 143613), (197, 142884), (243, 115836), (252, 111699), (294, 95742), (324, 86877), (378, 74466), (394, 71442), (441, 63828), (486, 57918), (567, 49644), (588, 47871), (591, 47628), (729, 38612), (756, 37233), (788, 35721), (882, 31914), (972, 28959), (1134, 24822), (1182, 23814), (1323, 21276), (1379, 20412), (1458, 19306), (1701, 16548), (1764, 15957), (1773, 15876), (2268, 12411), (2364, 11907), (2646, 10638), (2758, 10206), (2916, 9653), (3402, 8274), (3546, 7938), (3969, 7092), (4137, 6804), (5103, 5516), (5292, 5319)]