1261891891

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1\times {\mathrm{5393}}^1$

素因数の和:5886

約数の個数: 16

約数和(自身を含む): 1395535680

約数和(自身を除く): 133643789

約数列:

[1, 13, 41, 439, 533, 5393, 5707, 17999, 70109, 221113, 233987, 2367527, 2874469, 30777851, 97068607, 1261891891]

約数ペア:

[(1, 1261891891), (13, 97068607), (41, 30777851), (439, 2874469), (533, 2367527), (5393, 233987), (5707, 221113), (17999, 70109)]