260015119

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1847}}^1$

素因数の和:1904

約数の個数: 36

約数和(自身を含む): 346976784

約数和(自身を除く): 86961665

約数列:

[1, 7, 13, 17, 49, 91, 119, 169, 221, 637, 833, 1183, 1547, 1847, 2873, 8281, 10829, 12929, 20111, 24011, 31399, 90503, 140777, 168077, 219793, 312143, 408187, 1176539, 1538551, 2185001, 2857309, 5306431, 15295007, 20001163, 37145017, 260015119]

約数ペア:

[(1, 260015119), (7, 37145017), (13, 20001163), (17, 15295007), (49, 5306431), (91, 2857309), (119, 2185001), (169, 1538551), (221, 1176539), (637, 408187), (833, 312143), (1183, 219793), (1547, 168077), (1847, 140777), (2873, 90503), (8281, 31399), (10829, 24011), (12929, 20111)]