7221370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4273}}^1$

素因数の和:4306

約数の個数: 24

約数和(自身を含む): 14078556

約数和(自身を除く): 6857186

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 4273, 8546, 21365, 42730, 55549, 111098, 277745, 555490, 722137, 1444274, 3610685, 7221370]

約数ペア:

[(1, 7221370), (2, 3610685), (5, 1444274), (10, 722137), (13, 555490), (26, 277745), (65, 111098), (130, 55549), (169, 42730), (338, 21365), (845, 8546), (1690, 4273)]