1388390966

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{194507}}^1$

素因数の和:194635

約数の個数: 16

約数和(自身を含む): 2156704704

約数和(自身を除く): 768313738

約数列:

[1, 2, 43, 83, 86, 166, 3569, 7138, 194507, 389014, 8363801, 16144081, 16727602, 32288162, 694195483, 1388390966]

約数ペア:

[(1, 1388390966), (2, 694195483), (43, 32288162), (83, 16727602), (86, 16144081), (166, 8363801), (3569, 389014), (7138, 194507)]