64490478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 145152000

約数和(自身を除く): 80661522

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 149, 179, 186, 298, 358, 403, 447, 537, 806, 894, 1074, 1209, 1937, 2327, 2418, 3874, 4619, 4654, 5549, 5811, 6981, 9238, 11098, 11622, 13857, 13962, 16647, 26671, 27714, 33294, 53342, 60047, 72137, 80013, 120094, 144274, 160026, 180141, 216411, 346723, 360282, 432822, 693446, 826801, 1040169, 1653602, 2080338, 2480403, 4960806, 10748413, 21496826, 32245239, 64490478]

約数ペア:

[(1, 64490478), (2, 32245239), (3, 21496826), (6, 10748413), (13, 4960806), (26, 2480403), (31, 2080338), (39, 1653602), (62, 1040169), (78, 826801), (93, 693446), (149, 432822), (179, 360282), (186, 346723), (298, 216411), (358, 180141), (403, 160026), (447, 144274), (537, 120094), (806, 80013), (894, 72137), (1074, 60047), (1209, 53342), (1937, 33294), (2327, 27714), (2418, 26671), (3874, 16647), (4619, 13962), (4654, 13857), (5549, 11622), (5811, 11098), (6981, 9238)]