28789490

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{6871}}^1$

素因数の和:7297

約数の個数: 16

約数和(自身を含む): 51952320

約数和(自身を除く): 23162830

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 6871, 13742, 34355, 68710, 2878949, 5757898, 14394745, 28789490]

約数ペア:

[(1, 28789490), (2, 14394745), (5, 5757898), (10, 2878949), (419, 68710), (838, 34355), (2095, 13742), (4190, 6871)]