278821118

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{32189}}^1$

素因数の和:32323

約数の個数: 16

約数和(自身を含む): 431088480

約数和(自身を除く): 152267362

約数列:

[1, 2, 61, 71, 122, 142, 4331, 8662, 32189, 64378, 1963529, 2285419, 3927058, 4570838, 139410559, 278821118]

約数ペア:

[(1, 278821118), (2, 139410559), (61, 4570838), (71, 3927058), (122, 2285419), (142, 1963529), (4331, 64378), (8662, 32189)]