989702975

素因数分解:

$5^2\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{2389}}^1$

素因数の和:2699

約数の個数: 24

約数和(自身を含む): 1250046480

約数和(自身を除く): 260343505

約数列:

[1, 5, 25, 73, 227, 365, 1135, 1825, 2389, 5675, 11945, 16571, 59725, 82855, 174397, 414275, 542303, 871985, 2711515, 4359925, 13557575, 39588119, 197940595, 989702975]

約数ペア:

[(1, 989702975), (5, 197940595), (25, 39588119), (73, 13557575), (227, 4359925), (365, 2711515), (1135, 871985), (1825, 542303), (2389, 414275), (5675, 174397), (11945, 82855), (16571, 59725)]