28004315

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2287}}^1$

素因数の和:2402

約数の個数: 16

約数和(自身を含む): 35143680

約数和(自身を除く): 7139365

約数列:

[1, 5, 31, 79, 155, 395, 2287, 2449, 11435, 12245, 70897, 180673, 354485, 903365, 5600863, 28004315]

約数ペア:

[(1, 28004315), (5, 5600863), (31, 903365), (79, 354485), (155, 180673), (395, 70897), (2287, 12245), (2449, 11435)]