225656

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 430440

約数和(自身を除く): 204784

約数列:

[1, 2, 4, 8, 67, 134, 268, 421, 536, 842, 1684, 3368, 28207, 56414, 112828, 225656]

約数ペア:

[(1, 225656), (2, 112828), (4, 56414), (8, 28207), (67, 3368), (134, 1684), (268, 842), (421, 536)]