12865385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4603}}^1$

素因数の和:4664

約数の個数: 16

約数和(自身を含む): 17016384

約数和(自身を除く): 4150999

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 4603, 23015, 59839, 197929, 299195, 989645, 2573077, 12865385]

約数ペア:

[(1, 12865385), (5, 2573077), (13, 989645), (43, 299195), (65, 197929), (215, 59839), (559, 23015), (2795, 4603)]