28181153

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:677

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 10526047

約数列:

[1, 7, 11, 13, 47, 77, 91, 143, 329, 517, 599, 611, 1001, 3619, 4193, 4277, 6589, 6721, 7787, 28153, 46123, 47047, 54509, 85657, 197071, 309683, 365989, 599599, 2167781, 2561923, 4025879, 28181153]

約数ペア:

[(1, 28181153), (7, 4025879), (11, 2561923), (13, 2167781), (47, 599599), (77, 365989), (91, 309683), (143, 197071), (329, 85657), (517, 54509), (599, 47047), (611, 46123), (1001, 28153), (3619, 7787), (4193, 6721), (4277, 6589)]