78119028

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2351}}^1$

素因数の和:2445

約数の個数: 72

約数和(自身を含む): 215744256

約数和(自身を除く): 137625228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 213, 234, 284, 426, 468, 639, 852, 923, 1278, 1846, 2351, 2556, 2769, 3692, 4702, 5538, 7053, 8307, 9404, 11076, 14106, 16614, 21159, 28212, 30563, 33228, 42318, 61126, 84636, 91689, 122252, 166921, 183378, 275067, 333842, 366756, 500763, 550134, 667684, 1001526, 1100268, 1502289, 2003052, 2169973, 3004578, 4339946, 6009156, 6509919, 8679892, 13019838, 19529757, 26039676, 39059514, 78119028]

約数ペア:

[(1, 78119028), (2, 39059514), (3, 26039676), (4, 19529757), (6, 13019838), (9, 8679892), (12, 6509919), (13, 6009156), (18, 4339946), (26, 3004578), (36, 2169973), (39, 2003052), (52, 1502289), (71, 1100268), (78, 1001526), (117, 667684), (142, 550134), (156, 500763), (213, 366756), (234, 333842), (284, 275067), (426, 183378), (468, 166921), (639, 122252), (852, 91689), (923, 84636), (1278, 61126), (1846, 42318), (2351, 33228), (2556, 30563), (2769, 28212), (3692, 21159), (4702, 16614), (5538, 14106), (7053, 11076), (8307, 9404)]