28060487

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:101

約数の個数: 40

約数和(自身を含む): 37645440

約数和(自身を除く): 9584953

約数列:

[1, 7, 13, 29, 31, 49, 91, 203, 217, 343, 377, 403, 637, 899, 1421, 1519, 2401, 2639, 2821, 4459, 6293, 9947, 10633, 11687, 18473, 19747, 31213, 44051, 69629, 74431, 81809, 129311, 138229, 308357, 572663, 905177, 967603, 2158499, 4008641, 28060487]

約数ペア:

[(1, 28060487), (7, 4008641), (13, 2158499), (29, 967603), (31, 905177), (49, 572663), (91, 308357), (203, 138229), (217, 129311), (343, 81809), (377, 74431), (403, 69629), (637, 44051), (899, 31213), (1421, 19747), (1519, 18473), (2401, 11687), (2639, 10633), (2821, 9947), (4459, 6293)]