28077497

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{271}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 34820352

約数和(自身を除く): 6742855

約数列:

[1, 7, 19, 41, 133, 271, 287, 361, 779, 1897, 2527, 5149, 5453, 11111, 14801, 36043, 77777, 97831, 103607, 211109, 684817, 1477763, 4011071, 28077497]

約数ペア:

[(1, 28077497), (7, 4011071), (19, 1477763), (41, 684817), (133, 211109), (271, 103607), (287, 97831), (361, 77777), (779, 36043), (1897, 14801), (2527, 11111), (5149, 5453)]