81967358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{997}}^1$

素因数の和:1148

約数の個数: 32

約数和(自身を含む): 139256928

約数和(自身を除く): 57289570

約数列:

[1, 2, 11, 22, 37, 74, 101, 202, 407, 814, 997, 1111, 1994, 2222, 3737, 7474, 10967, 21934, 36889, 41107, 73778, 82214, 100697, 201394, 405779, 811558, 1107667, 2215334, 3725789, 7451578, 40983679, 81967358]

約数ペア:

[(1, 81967358), (2, 40983679), (11, 7451578), (22, 3725789), (37, 2215334), (74, 1107667), (101, 811558), (202, 405779), (407, 201394), (814, 100697), (997, 82214), (1111, 73778), (1994, 41107), (2222, 36889), (3737, 21934), (7474, 10967)]