249906972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:691

約数の個数: 96

約数和(自身を含む): 688665600

約数和(自身を除く): 438758628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 82, 84, 123, 149, 164, 246, 287, 298, 447, 487, 492, 574, 596, 861, 894, 974, 1043, 1148, 1461, 1722, 1788, 1948, 2086, 2922, 3129, 3409, 3444, 4172, 5844, 6109, 6258, 6818, 10227, 12218, 12516, 13636, 18327, 19967, 20454, 24436, 36654, 39934, 40908, 42763, 59901, 72563, 73308, 79868, 85526, 119802, 128289, 139769, 145126, 171052, 217689, 239604, 256578, 279538, 290252, 419307, 435378, 507941, 513156, 559076, 838614, 870756, 1015882, 1523823, 1677228, 2031764, 2975083, 3047646, 5950166, 6095292, 8925249, 11900332, 17850498, 20825581, 35700996, 41651162, 62476743, 83302324, 124953486, 249906972]

約数ペア:

[(1, 249906972), (2, 124953486), (3, 83302324), (4, 62476743), (6, 41651162), (7, 35700996), (12, 20825581), (14, 17850498), (21, 11900332), (28, 8925249), (41, 6095292), (42, 5950166), (82, 3047646), (84, 2975083), (123, 2031764), (149, 1677228), (164, 1523823), (246, 1015882), (287, 870756), (298, 838614), (447, 559076), (487, 513156), (492, 507941), (574, 435378), (596, 419307), (861, 290252), (894, 279538), (974, 256578), (1043, 239604), (1148, 217689), (1461, 171052), (1722, 145126), (1788, 139769), (1948, 128289), (2086, 119802), (2922, 85526), (3129, 79868), (3409, 73308), (3444, 72563), (4172, 59901), (5844, 42763), (6109, 40908), (6258, 39934), (6818, 36654), (10227, 24436), (12218, 20454), (12516, 19967), (13636, 18327)]