778763804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2139461}}^1$

素因数の和:2139485

約数の個数: 24

約数和(自身を含む): 1677338208

約数和(自身を除く): 898574404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 2139461, 4278922, 8557844, 14976227, 27812993, 29952454, 55625986, 59904908, 111251972, 194690951, 389381902, 778763804]

約数ペア:

[(1, 778763804), (2, 389381902), (4, 194690951), (7, 111251972), (13, 59904908), (14, 55625986), (26, 29952454), (28, 27812993), (52, 14976227), (91, 8557844), (182, 4278922), (364, 2139461)]