51318631

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 68342400

約数和(自身を除く): 17023769

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 343, 637, 677, 833, 1547, 4459, 4739, 5831, 8801, 10829, 11509, 33173, 61607, 75803, 80563, 149617, 232211, 431249, 563941, 1047319, 3018743, 3947587, 7331233, 51318631]

約数ペア:

[(1, 51318631), (7, 7331233), (13, 3947587), (17, 3018743), (49, 1047319), (91, 563941), (119, 431249), (221, 232211), (343, 149617), (637, 80563), (677, 75803), (833, 61607), (1547, 33173), (4459, 11509), (4739, 10829), (5831, 8801)]