161557798

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{31033}}^1$

素因数の和:31191

約数の個数: 16

約数和(自身を含む): 256961520

約数和(自身を除く): 95403722

約数列:

[1, 2, 19, 38, 137, 274, 2603, 5206, 31033, 62066, 589627, 1179254, 4251521, 8503042, 80778899, 161557798]

約数ペア:

[(1, 161557798), (2, 80778899), (19, 8503042), (38, 4251521), (137, 1179254), (274, 589627), (2603, 62066), (5206, 31033)]