89490005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{15797}}^1$

素因数の和:15916

約数の個数: 16

約数和(自身を含む): 118295424

約数和(自身を除く): 28805419

約数列:

[1, 5, 11, 55, 103, 515, 1133, 5665, 15797, 78985, 173767, 868835, 1627091, 8135455, 17898001, 89490005]

約数ペア:

[(1, 89490005), (5, 17898001), (11, 8135455), (55, 1627091), (103, 868835), (515, 173767), (1133, 78985), (5665, 15797)]