39981378

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 81838080

約数和(自身を除く): 41856702

約数列:

[1, 2, 3, 6, 71, 127, 142, 213, 254, 381, 426, 739, 762, 1478, 2217, 4434, 9017, 18034, 27051, 52469, 54102, 93853, 104938, 157407, 187706, 281559, 314814, 563118, 6663563, 13327126, 19990689, 39981378]

約数ペア:

[(1, 39981378), (2, 19990689), (3, 13327126), (6, 6663563), (71, 563118), (127, 314814), (142, 281559), (213, 187706), (254, 157407), (381, 104938), (426, 93853), (739, 54102), (762, 52469), (1478, 27051), (2217, 18034), (4434, 9017)]