171832180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{660893}}^1$

素因数の和:660915

約数の個数: 24

約数和(自身を含む): 388605672

約数和(自身を除く): 216773492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 660893, 1321786, 2643572, 3304465, 6608930, 8591609, 13217860, 17183218, 34366436, 42958045, 85916090, 171832180]

約数ペア:

[(1, 171832180), (2, 85916090), (4, 42958045), (5, 34366436), (10, 17183218), (13, 13217860), (20, 8591609), (26, 6608930), (52, 3304465), (65, 2643572), (130, 1321786), (260, 660893)]