1390970878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{937}}^1\times {\mathrm{67477}}^1$

素因数の和:68427

約数の個数: 16

約数和(自身を含む): 2278597104

約数和(自身を除く): 887626226

約数列:

[1, 2, 11, 22, 937, 1874, 10307, 20614, 67477, 134954, 742247, 1484494, 63225949, 126451898, 695485439, 1390970878]

約数ペア:

[(1, 1390970878), (2, 695485439), (11, 126451898), (22, 63225949), (937, 1484494), (1874, 742247), (10307, 134954), (20614, 67477)]