71157788

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{105263}}^1$

素因数の和:105293

約数の個数: 18

約数和(自身を含む): 134843184

約数和(自身を除く): 63685396

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 105263, 210526, 421052, 1368419, 2736838, 5473676, 17789447, 35578894, 71157788]

約数ペア:

[(1, 71157788), (2, 35578894), (4, 17789447), (13, 5473676), (26, 2736838), (52, 1368419), (169, 421052), (338, 210526), (676, 105263)]