28379813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{2207}}^1$

素因数の和:2392

約数の個数: 16

約数和(自身を含む): 35610624

約数和(自身を除く): 7230811

約数列:

[1, 7, 11, 77, 167, 1169, 1837, 2207, 12859, 15449, 24277, 169939, 368569, 2579983, 4054259, 28379813]

約数ペア:

[(1, 28379813), (7, 4054259), (11, 2579983), (77, 368569), (167, 169939), (1169, 24277), (1837, 15449), (2207, 12859)]