717328

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:534

約数の個数: 20

約数和(自身を含む): 1406160

約数和(自身を除く): 688832

約数列:

[1, 2, 4, 8, 16, 107, 214, 419, 428, 838, 856, 1676, 1712, 3352, 6704, 44833, 89666, 179332, 358664, 717328]

約数ペア:

[(1, 717328), (2, 358664), (4, 179332), (8, 89666), (16, 44833), (107, 6704), (214, 3352), (419, 1712), (428, 1676), (838, 856)]