1990890244

素因数分解:

$2^2\times 7^1\times {\mathrm{1831}}^1\times {\mathrm{38833}}^1$

素因数の和:40675

約数の個数: 24

約数和(自身を含む): 3984057728

約数和(自身を除く): 1993167484

約数列:

[1, 2, 4, 7, 14, 28, 1831, 3662, 7324, 12817, 25634, 38833, 51268, 77666, 155332, 271831, 543662, 1087324, 71103223, 142206446, 284412892, 497722561, 995445122, 1990890244]

約数ペア:

[(1, 1990890244), (2, 995445122), (4, 497722561), (7, 284412892), (14, 142206446), (28, 71103223), (1831, 1087324), (3662, 543662), (7324, 271831), (12817, 155332), (25634, 77666), (38833, 51268)]