161.000000

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 24

約数和(自身を含む): 715728

約数和(自身を除く): 339778

約数列:

[1, 2, 5, 10, 25, 50, 73, 103, 146, 206, 365, 515, 730, 1030, 1825, 2575, 3650, 5150, 7519, 15038, 37595, 75190, 187975, 375950]

約数ペア:

[(1, 375950), (2, 187975), (5, 75190), (10, 37595), (25, 15038), (50, 7519), (73, 5150), (103, 3650), (146, 2575), (206, 1825), (365, 1030), (515, 730)]