90031405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 121772160

約数和(自身を除く): 31740755

約数列:

[1, 5, 17, 19, 85, 95, 107, 323, 521, 535, 1615, 1819, 2033, 2605, 8857, 9095, 9899, 10165, 34561, 44285, 49495, 55747, 168283, 172805, 278735, 841415, 947699, 1059193, 4738495, 5295965, 18006281, 90031405]

約数ペア:

[(1, 90031405), (5, 18006281), (17, 5295965), (19, 4738495), (85, 1059193), (95, 947699), (107, 841415), (323, 278735), (521, 172805), (535, 168283), (1615, 55747), (1819, 49495), (2033, 44285), (2605, 34561), (8857, 10165), (9095, 9899)]