71920316

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{106391}}^1$

素因数の和:106421

約数の個数: 18

約数和(自身を含む): 136288152

約数和(自身を除く): 64367836

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 106391, 212782, 425564, 1383083, 2766166, 5532332, 17980079, 35960158, 71920316]

約数ペア:

[(1, 71920316), (2, 35960158), (4, 17980079), (13, 5532332), (26, 2766166), (52, 1383083), (169, 425564), (338, 212782), (676, 106391)]