13071919

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 15321600

約数和(自身を除く): 2249681

約数列:

[1, 7, 83, 149, 151, 581, 1043, 1057, 12367, 12533, 22499, 86569, 87731, 157493, 1867417, 13071919]

約数ペア:

[(1, 13071919), (7, 1867417), (83, 157493), (149, 87731), (151, 86569), (581, 22499), (1043, 12533), (1057, 12367)]