28991585

素因数分解:

$5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1621}}^1$

素因数の和:1713

約数の個数: 24

約数和(自身を含む): 41049576

約数和(自身を除く): 12057991

約数列:

[1, 5, 7, 35, 49, 73, 245, 365, 511, 1621, 2555, 3577, 8105, 11347, 17885, 56735, 79429, 118333, 397145, 591665, 828331, 4141655, 5798317, 28991585]

約数ペア:

[(1, 28991585), (5, 5798317), (7, 4141655), (35, 828331), (49, 591665), (73, 397145), (245, 118333), (365, 79429), (511, 56735), (1621, 17885), (2555, 11347), (3577, 8105)]