198627325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{997}}^1$

素因数の和:1633

約数の個数: 24

約数和(自身を含む): 265943048

約数和(自身を除く): 67315723

約数列:

[1, 5, 13, 25, 65, 325, 613, 997, 3065, 4985, 7969, 12961, 15325, 24925, 39845, 64805, 199225, 324025, 611161, 3055805, 7945093, 15279025, 39725465, 198627325]

約数ペア:

[(1, 198627325), (5, 39725465), (13, 15279025), (25, 7945093), (65, 3055805), (325, 611161), (613, 324025), (997, 199225), (3065, 64805), (4985, 39845), (7969, 24925), (12961, 15325)]