99974945

素因数分解:

$5^1\times 7^2\times {\mathrm{389}}^1\times {\mathrm{1049}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 140049000

約数和(自身を除く): 40074055

約数列:

[1, 5, 7, 35, 49, 245, 389, 1049, 1945, 2723, 5245, 7343, 13615, 19061, 36715, 51401, 95305, 257005, 408061, 2040305, 2856427, 14282135, 19994989, 99974945]

約数ペア:

[(1, 99974945), (5, 19994989), (7, 14282135), (35, 2856427), (49, 2040305), (245, 408061), (389, 257005), (1049, 95305), (1945, 51401), (2723, 36715), (5245, 19061), (7343, 13615)]