161919653

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{25903}}^1$

素因数の和:25976

約数の個数: 16

約数和(自身を含む): 198942720

約数和(自身を除く): 37023067

約数列:

[1, 7, 19, 47, 133, 329, 893, 6251, 25903, 181321, 492157, 1217441, 3445099, 8522087, 23131379, 161919653]

約数ペア:

[(1, 161919653), (7, 23131379), (19, 8522087), (47, 3445099), (133, 1217441), (329, 492157), (893, 181321), (6251, 25903)]