2028751775

素因数分解:

$5^2\times {\mathrm{4391}}^1\times {\mathrm{18481}}^1$

素因数の和:22882

約数の個数: 12

約数和(自身を含む): 2516361264

約数和(自身を除く): 487609489

約数列:

[1, 5, 25, 4391, 18481, 21955, 92405, 109775, 462025, 81150071, 405750355, 2028751775]

約数ペア:

[(1, 2028751775), (5, 405750355), (25, 81150071), (4391, 462025), (18481, 109775), (21955, 92405)]