83781971

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{1423}}^1$

素因数の和:2090

約数の個数: 16

約数和(自身を含む): 103348224

約数和(自身を除く): 19566253

約数列:

[1, 7, 13, 91, 647, 1423, 4529, 8411, 9961, 18499, 58877, 129493, 920681, 6444767, 11968853, 83781971]

約数ペア:

[(1, 83781971), (7, 11968853), (13, 6444767), (91, 920681), (647, 129493), (1423, 58877), (4529, 18499), (8411, 9961)]