1279408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6151}}^1$

素因数の和:6172

約数の個数: 20

約数和(自身を含む): 2669968

約数和(自身を除く): 1390560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6151, 12302, 24604, 49208, 79963, 98416, 159926, 319852, 639704, 1279408]

約数ペア:

[(1, 1279408), (2, 639704), (4, 319852), (8, 159926), (13, 98416), (16, 79963), (26, 49208), (52, 24604), (104, 12302), (208, 6151)]