1288816

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{739}}^1$

素因数の和:856

約数の個数: 20

約数和(自身を含む): 2523400

約数和(自身を除く): 1234584

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 739, 872, 1478, 1744, 2956, 5912, 11824, 80551, 161102, 322204, 644408, 1288816]

約数ペア:

[(1, 1288816), (2, 644408), (4, 322204), (8, 161102), (16, 80551), (109, 11824), (218, 5912), (436, 2956), (739, 1744), (872, 1478)]