400019152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1923169}}^1$

素因数の和:1923190

約数の個数: 20

約数和(自身を含む): 834655780

約数和(自身を除く): 434636628

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1923169, 3846338, 7692676, 15385352, 25001197, 30770704, 50002394, 100004788, 200009576, 400019152]

約数ペア:

[(1, 400019152), (2, 200009576), (4, 100004788), (8, 50002394), (13, 30770704), (16, 25001197), (26, 15385352), (52, 7692676), (104, 3846338), (208, 1923169)]