408977945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1889}}^1$

素因数の和:2009

約数の個数: 32

約数和(自身を含む): 538876800

約数和(自身を除く): 129898855

約数列:

[1, 5, 19, 43, 53, 95, 215, 265, 817, 1007, 1889, 2279, 4085, 5035, 9445, 11395, 35891, 43301, 81227, 100117, 179455, 216505, 406135, 500585, 1543313, 1902223, 4305031, 7716565, 9511115, 21525155, 81795589, 408977945]

約数ペア:

[(1, 408977945), (5, 81795589), (19, 21525155), (43, 9511115), (53, 7716565), (95, 4305031), (215, 1902223), (265, 1543313), (817, 500585), (1007, 406135), (1889, 216505), (2279, 179455), (4085, 100117), (5035, 81227), (9445, 43301), (11395, 35891)]