64876868

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{121949}}^1$

素因数の和:121979

約数の個数: 24

約数和(自身を含む): 136584000

約数和(自身を除く): 71707132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 121949, 243898, 487796, 853643, 1707286, 2317031, 3414572, 4634062, 9268124, 16219217, 32438434, 64876868]

約数ペア:

[(1, 64876868), (2, 32438434), (4, 16219217), (7, 9268124), (14, 4634062), (19, 3414572), (28, 2317031), (38, 1707286), (76, 853643), (133, 487796), (266, 243898), (532, 121949)]