12445265

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 17619840

約数和(自身を除く): 5174575

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 643, 2765, 3215, 3871, 4501, 19355, 22505, 31507, 50797, 157535, 253985, 355579, 1777895, 2489053, 12445265]

約数ペア:

[(1, 12445265), (5, 2489053), (7, 1777895), (35, 355579), (49, 253985), (79, 157535), (245, 50797), (395, 31507), (553, 22505), (643, 19355), (2765, 4501), (3215, 3871)]