28305397130

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{31803817}}^1$

素因数の和:31803913

約数の個数: 16

約数和(自身を含む): 51522185160

約数和(自身を除く): 23216788030

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 31803817, 63607634, 159019085, 318038170, 2830539713, 5661079426, 14152698565, 28305397130]

約数ペア:

[(1, 28305397130), (2, 14152698565), (5, 5661079426), (10, 2830539713), (89, 318038170), (178, 159019085), (445, 63607634), (890, 31803817)]