131327456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{315691}}^1$

素因数の和:315714

約数の個数: 24

約数和(自身を含む): 278440344

約数和(自身を除く): 147112888

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 315691, 631382, 1262764, 2525528, 4103983, 5051056, 8207966, 10102112, 16415932, 32831864, 65663728, 131327456]

約数ペア:

[(1, 131327456), (2, 65663728), (4, 32831864), (8, 16415932), (13, 10102112), (16, 8207966), (26, 5051056), (32, 4103983), (52, 2525528), (104, 1262764), (208, 631382), (416, 315691)]