313887865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{19661}}^1$

素因数の和:19800

約数の個数: 16

約数和(自身を含む): 392610816

約数和(自身を除く): 78722951

約数列:

[1, 5, 31, 103, 155, 515, 3193, 15965, 19661, 98305, 609491, 2025083, 3047455, 10125415, 62777573, 313887865]

約数ペア:

[(1, 313887865), (5, 62777573), (31, 10125415), (103, 3047455), (155, 2025083), (515, 609491), (3193, 98305), (15965, 19661)]