189940465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{631}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 268837632

約数和(自身を除く): 78897167

約数列:

[1, 5, 11, 13, 55, 65, 143, 421, 631, 715, 2105, 3155, 4631, 5473, 6941, 8203, 23155, 27365, 34705, 41015, 60203, 90233, 265651, 301015, 451165, 1328255, 2922161, 3453463, 14610805, 17267315, 37988093, 189940465]

約数ペア:

[(1, 189940465), (5, 37988093), (11, 17267315), (13, 14610805), (55, 3453463), (65, 2922161), (143, 1328255), (421, 451165), (631, 301015), (715, 265651), (2105, 90233), (3155, 60203), (4631, 41015), (5473, 34705), (6941, 27365), (8203, 23155)]