85225816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1669}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 172544400

約数和(自身を除く): 87318584

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 491, 982, 1669, 1964, 3338, 3928, 6383, 6676, 12766, 13352, 21697, 25532, 43394, 51064, 86788, 173576, 819479, 1638958, 3277916, 6555832, 10653227, 21306454, 42612908, 85225816]

約数ペア:

[(1, 85225816), (2, 42612908), (4, 21306454), (8, 10653227), (13, 6555832), (26, 3277916), (52, 1638958), (104, 819479), (491, 173576), (982, 86788), (1669, 51064), (1964, 43394), (3338, 25532), (3928, 21697), (6383, 13352), (6676, 12766)]