57260255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 77296128

約数和(自身を除く): 20035873

約数列:

[1, 5, 13, 31, 65, 155, 157, 181, 403, 785, 905, 2015, 2041, 2353, 4867, 5611, 10205, 11765, 24335, 28055, 28417, 63271, 72943, 142085, 316355, 364715, 369421, 880927, 1847105, 4404635, 11452051, 57260255]

約数ペア:

[(1, 57260255), (5, 11452051), (13, 4404635), (31, 1847105), (65, 880927), (155, 369421), (157, 364715), (181, 316355), (403, 142085), (785, 72943), (905, 63271), (2015, 28417), (2041, 28055), (2353, 24335), (4867, 11765), (5611, 10205)]