138720136

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1020001}}^1$

素因数の和:1020024

約数の個数: 16

約数和(自身を含む): 275400540

約数和(自身を除く): 136680404

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1020001, 2040002, 4080004, 8160008, 17340017, 34680034, 69360068, 138720136]

約数ペア:

[(1, 138720136), (2, 69360068), (4, 34680034), (8, 17340017), (17, 8160008), (34, 4080004), (68, 2040002), (136, 1020001)]