161728408

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{154321}}^1$

素因数の和:154458

約数の個数: 16

約数和(自身を含む): 305557560

約数和(自身を除く): 143829152

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 154321, 308642, 617284, 1234568, 20216051, 40432102, 80864204, 161728408]

約数ペア:

[(1, 161728408), (2, 80864204), (4, 40432102), (8, 20216051), (131, 1234568), (262, 617284), (524, 308642), (1048, 154321)]