638898652

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{112403}}^1$

素因数の和:112450

約数の個数: 36

約数和(自身を含む): 1345475880

約数和(自身を除く): 706577228

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5684, 112403, 224806, 449612, 786821, 1573642, 3147284, 3259687, 5507747, 6519374, 11015494, 13038748, 22030988, 22817809, 45635618, 91271236, 159724663, 319449326, 638898652]

約数ペア:

[(1, 638898652), (2, 319449326), (4, 159724663), (7, 91271236), (14, 45635618), (28, 22817809), (29, 22030988), (49, 13038748), (58, 11015494), (98, 6519374), (116, 5507747), (196, 3259687), (203, 3147284), (406, 1573642), (812, 786821), (1421, 449612), (2842, 224806), (5684, 112403)]