51811890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{132851}}^1$

素因数の和:132874

約数の個数: 32

約数和(自身を含む): 133914816

約数和(自身を除く): 82102926

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 132851, 265702, 398553, 664255, 797106, 1328510, 1727063, 1992765, 3454126, 3985530, 5181189, 8635315, 10362378, 17270630, 25905945, 51811890]

約数ペア:

[(1, 51811890), (2, 25905945), (3, 17270630), (5, 10362378), (6, 8635315), (10, 5181189), (13, 3985530), (15, 3454126), (26, 1992765), (30, 1727063), (39, 1328510), (65, 797106), (78, 664255), (130, 398553), (195, 265702), (390, 132851)]