30491279

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:495

約数の個数: 24

約数和(自身を含む): 38572128

約数和(自身を除く): 8080849

約数列:

[1, 7, 13, 49, 91, 151, 317, 637, 1057, 1963, 2219, 4121, 7399, 13741, 15533, 28847, 47867, 96187, 201929, 335069, 622271, 2345483, 4355897, 30491279]

約数ペア:

[(1, 30491279), (7, 4355897), (13, 2345483), (49, 622271), (91, 335069), (151, 201929), (317, 96187), (637, 47867), (1057, 28847), (1963, 15533), (2219, 13741), (4121, 7399)]