31845384

素因数分解:

$2^3\times 3^2\times {\mathrm{257}}^1\times {\mathrm{1721}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 86633820

約数和(自身を除く): 54788436

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 257, 514, 771, 1028, 1542, 1721, 2056, 2313, 3084, 3442, 4626, 5163, 6168, 6884, 9252, 10326, 13768, 15489, 18504, 20652, 30978, 41304, 61956, 123912, 442297, 884594, 1326891, 1769188, 2653782, 3538376, 3980673, 5307564, 7961346, 10615128, 15922692, 31845384]

約数ペア:

[(1, 31845384), (2, 15922692), (3, 10615128), (4, 7961346), (6, 5307564), (8, 3980673), (9, 3538376), (12, 2653782), (18, 1769188), (24, 1326891), (36, 884594), (72, 442297), (257, 123912), (514, 61956), (771, 41304), (1028, 30978), (1542, 20652), (1721, 18504), (2056, 15489), (2313, 13768), (3084, 10326), (3442, 9252), (4626, 6884), (5163, 6168)]