137840808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{820481}}^1$

素因数の和:820497

約数の個数: 32

約数和(自身を含む): 393831360

約数和(自身を除く): 255990552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 820481, 1640962, 2461443, 3281924, 4922886, 5743367, 6563848, 9845772, 11486734, 17230101, 19691544, 22973468, 34460202, 45946936, 68920404, 137840808]

約数ペア:

[(1, 137840808), (2, 68920404), (3, 45946936), (4, 34460202), (6, 22973468), (7, 19691544), (8, 17230101), (12, 11486734), (14, 9845772), (21, 6563848), (24, 5743367), (28, 4922886), (42, 3281924), (56, 2461443), (84, 1640962), (168, 820481)]