8217872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{39509}}^1$

素因数の和:39530

約数の個数: 20

約数和(自身を含む): 17147340

約数和(自身を除く): 8929468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 39509, 79018, 158036, 316072, 513617, 632144, 1027234, 2054468, 4108936, 8217872]

約数ペア:

[(1, 8217872), (2, 4108936), (4, 2054468), (8, 1027234), (13, 632144), (16, 513617), (26, 316072), (52, 158036), (104, 79018), (208, 39509)]