397801456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1912507}}^1$

素因数の和:1912528

約数の個数: 20

約数和(自身を含む): 830028472

約数和(自身を除く): 432227016

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1912507, 3825014, 7650028, 15300056, 24862591, 30600112, 49725182, 99450364, 198900728, 397801456]

約数ペア:

[(1, 397801456), (2, 198900728), (4, 99450364), (8, 49725182), (13, 30600112), (16, 24862591), (26, 15300056), (52, 7650028), (104, 3825014), (208, 1912507)]