278610025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{2437}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 367309080

約数和(自身を除く): 88699055

約数列:

[1, 5, 17, 25, 85, 269, 425, 1345, 2437, 4573, 6725, 12185, 22865, 41429, 60925, 114325, 207145, 655553, 1035725, 3277765, 11144401, 16388825, 55722005, 278610025]

約数ペア:

[(1, 278610025), (5, 55722005), (17, 16388825), (25, 11144401), (85, 3277765), (269, 1035725), (425, 655553), (1345, 207145), (2437, 114325), (4573, 60925), (6725, 41429), (12185, 22865)]