128204065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{75193}}^1$

素因数の和:75240

約数の個数: 16

約数和(自身を含む): 173246976

約数和(自身を除く): 45042911

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 75193, 375965, 827123, 2330983, 4135615, 11654915, 25640813, 128204065]

約数ペア:

[(1, 128204065), (5, 25640813), (11, 11654915), (31, 4135615), (55, 2330983), (155, 827123), (341, 375965), (1705, 75193)]