67387984

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{221671}}^1$

素因数の和:221698

約数の個数: 20

約数和(自身を含む): 137436640

約数和(自身を除く): 70048656

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 221671, 443342, 886684, 1773368, 3546736, 4211749, 8423498, 16846996, 33693992, 67387984]

約数ペア:

[(1, 67387984), (2, 33693992), (4, 16846996), (8, 8423498), (16, 4211749), (19, 3546736), (38, 1773368), (76, 886684), (152, 443342), (304, 221671)]