28876510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222127}}^1$

素因数の和:222147

約数の個数: 16

約数和(自身を含む): 55976256

約数和(自身を除く): 27099746

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 222127, 444254, 1110635, 2221270, 2887651, 5775302, 14438255, 28876510]

約数ペア:

[(1, 28876510), (2, 14438255), (5, 5775302), (10, 2887651), (13, 2221270), (26, 1110635), (65, 444254), (130, 222127)]