642268404

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{128351}}^1$

素因数の和:128500

約数の個数: 36

約数和(自身を含む): 1635204480

約数和(自身を除く): 992936076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 128351, 256702, 385053, 513404, 770106, 1155159, 1540212, 2310318, 4620636, 17840789, 35681578, 53522367, 71363156, 107044734, 160567101, 214089468, 321134202, 642268404]

約数ペア:

[(1, 642268404), (2, 321134202), (3, 214089468), (4, 160567101), (6, 107044734), (9, 71363156), (12, 53522367), (18, 35681578), (36, 17840789), (139, 4620636), (278, 2310318), (417, 1540212), (556, 1155159), (834, 770106), (1251, 513404), (1668, 385053), (2502, 256702), (5004, 128351)]