390722015

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{4597}}^1$

素因数の和:4882

約数の個数: 16

約数和(自身を含む): 476720640

約数和(自身を除く): 85998625

約数列:

[1, 5, 89, 191, 445, 955, 4597, 16999, 22985, 84995, 409133, 878027, 2045665, 4390135, 78144403, 390722015]

約数ペア:

[(1, 390722015), (5, 78144403), (89, 4390135), (191, 2045665), (445, 878027), (955, 409133), (4597, 84995), (16999, 22985)]