248977325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{20201}}^1$

素因数の和:20257

約数の個数: 24

約数和(自身を含む): 338181480

約数和(自身を除く): 89204155

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 2465, 12325, 20201, 101005, 343417, 505025, 585829, 1717085, 2929145, 8585425, 9959093, 14645725, 49795465, 248977325]

約数ペア:

[(1, 248977325), (5, 49795465), (17, 14645725), (25, 9959093), (29, 8585425), (85, 2929145), (145, 1717085), (425, 585829), (493, 505025), (725, 343417), (2465, 101005), (12325, 20201)]