621496356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{3983951}}^1$

素因数の和:3983971

約数の個数: 24

約数和(自身を含む): 1561709184

約数和(自身を除く): 940212828

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 3983951, 7967902, 11951853, 15935804, 23903706, 47807412, 51791363, 103582726, 155374089, 207165452, 310748178, 621496356]

約数ペア:

[(1, 621496356), (2, 310748178), (3, 207165452), (4, 155374089), (6, 103582726), (12, 51791363), (13, 47807412), (26, 23903706), (39, 15935804), (52, 11951853), (78, 7967902), (156, 3983951)]