2491825

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 3660480

約数和(自身を除く): 1168655

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 491, 725, 1015, 2455, 3437, 5075, 12275, 14239, 17185, 71195, 85925, 99673, 355975, 498365, 2491825]

約数ペア:

[(1, 2491825), (5, 498365), (7, 355975), (25, 99673), (29, 85925), (35, 71195), (145, 17185), (175, 14239), (203, 12275), (491, 5075), (725, 3437), (1015, 2455)]