254670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 659232

約数和(自身を除く): 404562

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 653, 1306, 1959, 3265, 3918, 6530, 8489, 9795, 16978, 19590, 25467, 42445, 50934, 84890, 127335, 254670]

約数ペア:

[(1, 254670), (2, 127335), (3, 84890), (5, 50934), (6, 42445), (10, 25467), (13, 19590), (15, 16978), (26, 9795), (30, 8489), (39, 6530), (65, 3918), (78, 3265), (130, 1959), (195, 1306), (390, 653)]