128456765

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1\times {\mathrm{1039}}^1$

素因数の和:1436

約数の個数: 16

約数和(自身を含む): 156748800

約数和(自身を除く): 28292035

約数列:

[1, 5, 79, 313, 395, 1039, 1565, 5195, 24727, 82081, 123635, 325207, 410405, 1626035, 25691353, 128456765]

約数ペア:

[(1, 128456765), (5, 25691353), (79, 1626035), (313, 410405), (395, 325207), (1039, 123635), (1565, 82081), (5195, 24727)]