129613072

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{218941}}^1$

素因数の和:218986

約数の個数: 20

約数和(自身を含む): 257913676

約数和(自身を除く): 128300604

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 218941, 437882, 875764, 1751528, 3503056, 8100817, 16201634, 32403268, 64806536, 129613072]

約数ペア:

[(1, 129613072), (2, 64806536), (4, 32403268), (8, 16201634), (16, 8100817), (37, 3503056), (74, 1751528), (148, 875764), (296, 437882), (592, 218941)]