856555790

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{14827}}^1$

素因数の和:14996

約数の個数: 32

約数和(自身を含む): 1585409760

約数和(自身を除く): 728853970

約数列:

[1, 2, 5, 10, 53, 106, 109, 218, 265, 530, 545, 1090, 5777, 11554, 14827, 28885, 29654, 57770, 74135, 148270, 785831, 1571662, 1616143, 3232286, 3929155, 7858310, 8080715, 16161430, 85655579, 171311158, 428277895, 856555790]

約数ペア:

[(1, 856555790), (2, 428277895), (5, 171311158), (10, 85655579), (53, 16161430), (106, 8080715), (109, 7858310), (218, 3929155), (265, 3232286), (530, 1616143), (545, 1571662), (1090, 785831), (5777, 148270), (11554, 74135), (14827, 57770), (28885, 29654)]