247375518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3171481}}^1$

素因数の和:3171499

約数の個数: 16

約数和(自身を含む): 532808976

約数和(自身を除く): 285433458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 3171481, 6342962, 9514443, 19028886, 41229253, 82458506, 123687759, 247375518]

約数ペア:

[(1, 247375518), (2, 123687759), (3, 82458506), (6, 41229253), (13, 19028886), (26, 9514443), (39, 6342962), (78, 3171481)]