391456

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{941}}^1$

素因数の和:964

約数の個数: 24

約数和(自身を含む): 830844

約数和(自身を除く): 439388

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 941, 1882, 3764, 7528, 12233, 15056, 24466, 30112, 48932, 97864, 195728, 391456]

約数ペア:

[(1, 391456), (2, 195728), (4, 97864), (8, 48932), (13, 30112), (16, 24466), (26, 15056), (32, 12233), (52, 7528), (104, 3764), (208, 1882), (416, 941)]