438485710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{259459}}^1$

素因数の和:259492

約数の個数: 24

約数和(自身を含む): 854661240

約数和(自身を除く): 416175530

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 259459, 518918, 1297295, 2594590, 3372967, 6745934, 16864835, 33729670, 43848571, 87697142, 219242855, 438485710]

約数ペア:

[(1, 438485710), (2, 219242855), (5, 87697142), (10, 43848571), (13, 33729670), (26, 16864835), (65, 6745934), (130, 3372967), (169, 2594590), (338, 1297295), (845, 518918), (1690, 259459)]