129215528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1242457}}^1$

素因数の和:1242476

約数の個数: 16

約数和(自身を含む): 260916180

約数和(自身を除く): 131700652

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1242457, 2484914, 4969828, 9939656, 16151941, 32303882, 64607764, 129215528]

約数ペア:

[(1, 129215528), (2, 64607764), (4, 32303882), (8, 16151941), (13, 9939656), (26, 4969828), (52, 2484914), (104, 1242457)]