28361690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{57881}}^1$

素因数の和:57902

約数の個数: 24

約数和(自身を含む): 59386932

約数和(自身を除く): 31025242

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 57881, 115762, 289405, 405167, 578810, 810334, 2025835, 2836169, 4051670, 5672338, 14180845, 28361690]

約数ペア:

[(1, 28361690), (2, 14180845), (5, 5672338), (7, 4051670), (10, 2836169), (14, 2025835), (35, 810334), (49, 578810), (70, 405167), (98, 289405), (245, 115762), (490, 57881)]