28122409

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 32976000

約数和(自身を除く): 4853591

約数列:

[1, 7, 59, 149, 413, 457, 1043, 3199, 8791, 26963, 61537, 68093, 188741, 476651, 4017487, 28122409]

約数ペア:

[(1, 28122409), (7, 4017487), (59, 476651), (149, 188741), (413, 68093), (457, 61537), (1043, 26963), (3199, 8791)]