81129852

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:703

約数の個数: 72

約数和(自身を含む): 213624320

約数和(自身を除く): 132494468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 139, 186, 278, 279, 372, 417, 523, 556, 558, 834, 1046, 1116, 1251, 1569, 1668, 2092, 2502, 3138, 4309, 4707, 5004, 6276, 8618, 9414, 12927, 16213, 17236, 18828, 25854, 32426, 38781, 48639, 51708, 64852, 72697, 77562, 97278, 145394, 145917, 155124, 194556, 218091, 290788, 291834, 436182, 583668, 654273, 872364, 1308546, 2253607, 2617092, 4507214, 6760821, 9014428, 13521642, 20282463, 27043284, 40564926, 81129852]

約数ペア:

[(1, 81129852), (2, 40564926), (3, 27043284), (4, 20282463), (6, 13521642), (9, 9014428), (12, 6760821), (18, 4507214), (31, 2617092), (36, 2253607), (62, 1308546), (93, 872364), (124, 654273), (139, 583668), (186, 436182), (278, 291834), (279, 290788), (372, 218091), (417, 194556), (523, 155124), (556, 145917), (558, 145394), (834, 97278), (1046, 77562), (1116, 72697), (1251, 64852), (1569, 51708), (1668, 48639), (2092, 38781), (2502, 32426), (3138, 25854), (4309, 18828), (4707, 17236), (5004, 16213), (6276, 12927), (8618, 9414)]