161857266

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{171823}}^1$

素因数の和:171985

約数の個数: 16

約数和(自身を含む): 325778304

約数和(自身を除く): 163921038

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 171823, 343646, 515469, 1030938, 26976211, 53952422, 80928633, 161857266]

約数ペア:

[(1, 161857266), (2, 80928633), (3, 53952422), (6, 26976211), (157, 1030938), (314, 515469), (471, 343646), (942, 171823)]