71688799

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1229}}^1$

素因数の和:1890

約数の個数: 16

約数和(自身を含む): 88441920

約数和(自身を除く): 16753121

約数列:

[1, 7, 13, 91, 641, 1229, 4487, 8333, 8603, 15977, 58331, 111839, 787789, 5514523, 10241257, 71688799]

約数ペア:

[(1, 71688799), (7, 10241257), (13, 5514523), (91, 787789), (641, 111839), (1229, 58331), (4487, 15977), (8333, 8603)]