149747728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{719941}}^1$

素因数の和:719962

約数の個数: 20

約数和(自身を含む): 312454828

約数和(自身を除く): 162707100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 719941, 1439882, 2879764, 5759528, 9359233, 11519056, 18718466, 37436932, 74873864, 149747728]

約数ペア:

[(1, 149747728), (2, 74873864), (4, 37436932), (8, 18718466), (13, 11519056), (16, 9359233), (26, 5759528), (52, 2879764), (104, 1439882), (208, 719941)]