254811385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 332595072

約数和(自身を除く): 77783687

約数列:

[1, 5, 17, 67, 85, 101, 335, 443, 505, 1139, 1717, 2215, 5695, 6767, 7531, 8585, 29681, 33835, 37655, 44743, 115039, 148405, 223715, 504577, 575195, 760631, 2522885, 2997781, 3803155, 14988905, 50962277, 254811385]

約数ペア:

[(1, 254811385), (5, 50962277), (17, 14988905), (67, 3803155), (85, 2997781), (101, 2522885), (335, 760631), (443, 575195), (505, 504577), (1139, 223715), (1717, 148405), (2215, 115039), (5695, 44743), (6767, 37655), (7531, 33835), (8585, 29681)]