28463855

素因数分解:

$5^1\times 7^4\times {\mathrm{2371}}^1$

素因数の和:2404

約数の個数: 20

約数和(自身を含む): 39863832

約数和(自身を除く): 11399977

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2371, 2401, 11855, 12005, 16597, 82985, 116179, 580895, 813253, 4066265, 5692771, 28463855]

約数ペア:

[(1, 28463855), (5, 5692771), (7, 4066265), (35, 813253), (49, 580895), (245, 116179), (343, 82985), (1715, 16597), (2371, 12005), (2401, 11855)]