1388981906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3142493}}^1$

素因数の和:3142525

約数の個数: 16

約数和(自身を含む): 2375725464

約数和(自身を除く): 986743558

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 3142493, 6284986, 40852409, 53422381, 81704818, 106844762, 694490953, 1388981906]

約数ペア:

[(1, 1388981906), (2, 694490953), (13, 106844762), (17, 81704818), (26, 53422381), (34, 40852409), (221, 6284986), (442, 3142493)]