128889805

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{163}}^1\times {\mathrm{1307}}^1$

素因数の和:1497

約数の個数: 24

約数和(自身を含む): 171180576

約数和(自身を除く): 42290771

約数列:

[1, 5, 11, 55, 121, 163, 605, 815, 1307, 1793, 6535, 8965, 14377, 19723, 71885, 98615, 158147, 213041, 790735, 1065205, 2343451, 11717255, 25777961, 128889805]

約数ペア:

[(1, 128889805), (5, 25777961), (11, 11717255), (55, 2343451), (121, 1065205), (163, 790735), (605, 213041), (815, 158147), (1307, 98615), (1793, 71885), (6535, 19723), (8965, 14377)]