638291262

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{660757}}^1$

素因数の和:660792

約数の個数: 32

約数和(自身を含む): 1522386432

約数和(自身を除く): 884095170

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 660757, 1321514, 1982271, 3964542, 4625299, 9250598, 13875897, 15197411, 27751794, 30394822, 45592233, 91184466, 106381877, 212763754, 319145631, 638291262]

約数ペア:

[(1, 638291262), (2, 319145631), (3, 212763754), (6, 106381877), (7, 91184466), (14, 45592233), (21, 30394822), (23, 27751794), (42, 15197411), (46, 13875897), (69, 9250598), (138, 4625299), (161, 3964542), (322, 1982271), (483, 1321514), (966, 660757)]