71389955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{156901}}^1$

素因数の和:156926

約数の個数: 16

約数和(自身を含む): 105438144

約数和(自身を除く): 34048189

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 156901, 784505, 1098307, 2039713, 5491535, 10198565, 14277991, 71389955]

約数ペア:

[(1, 71389955), (5, 14277991), (7, 10198565), (13, 5491535), (35, 2039713), (65, 1098307), (91, 784505), (455, 156901)]