661116

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{1489}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 1585360

約数和(自身を除く): 924244

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 1489, 2978, 4467, 5956, 8934, 17868, 55093, 110186, 165279, 220372, 330558, 661116]

約数ペア:

[(1, 661116), (2, 330558), (3, 220372), (4, 165279), (6, 110186), (12, 55093), (37, 17868), (74, 8934), (111, 5956), (148, 4467), (222, 2978), (444, 1489)]