28371889

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{827}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 36365760

約数和(自身を除く): 7993871

約数列:

[1, 7, 13, 29, 91, 169, 203, 377, 827, 1183, 2639, 4901, 5789, 10751, 23983, 34307, 75257, 139763, 167881, 311779, 978341, 2182453, 4053127, 28371889]

約数ペア:

[(1, 28371889), (7, 4053127), (13, 2182453), (29, 978341), (91, 311779), (169, 167881), (203, 139763), (377, 75257), (827, 34307), (1183, 23983), (2639, 10751), (4901, 5789)]