1640280068

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{262697}}^1$

素因数の和:262931

約数の個数: 24

約数和(自身を含む): 3295283712

約数和(自身を除く): 1655003644

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 262697, 525394, 1050788, 1838879, 3677758, 7355516, 58581431, 117162862, 234325724, 410070017, 820140034, 1640280068]

約数ペア:

[(1, 1640280068), (2, 820140034), (4, 410070017), (7, 234325724), (14, 117162862), (28, 58581431), (223, 7355516), (446, 3677758), (892, 1838879), (1561, 1050788), (3122, 525394), (6244, 262697)]