645238356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{7681409}}^1$

素因数の和:7681423

約数の個数: 24

約数和(自身を含む): 1720635840

約数和(自身を除く): 1075397484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 7681409, 15362818, 23044227, 30725636, 46088454, 53769863, 92176908, 107539726, 161309589, 215079452, 322619178, 645238356]

約数ペア:

[(1, 645238356), (2, 322619178), (3, 215079452), (4, 161309589), (6, 107539726), (7, 92176908), (12, 53769863), (14, 46088454), (21, 30725636), (28, 23044227), (42, 15362818), (84, 7681409)]