156884

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 338688

約数和(自身を除く): 181804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 431, 862, 1724, 3017, 5603, 6034, 11206, 12068, 22412, 39221, 78442, 156884]

約数ペア:

[(1, 156884), (2, 78442), (4, 39221), (7, 22412), (13, 12068), (14, 11206), (26, 6034), (28, 5603), (52, 3017), (91, 1724), (182, 862), (364, 431)]