128965895

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{4751}}^1$

素因数の和:4906

約数の個数: 16

約数和(自身を含む): 159096960

約数和(自身を除く): 30131065

約数列:

[1, 5, 61, 89, 305, 445, 4751, 5429, 23755, 27145, 289811, 422839, 1449055, 2114195, 25793179, 128965895]

約数ペア:

[(1, 128965895), (5, 25793179), (61, 2114195), (89, 1449055), (305, 422839), (445, 289811), (4751, 27145), (5429, 23755)]