81292144

素因数分解:

$2^4\times {\mathrm{1987}}^1\times {\mathrm{2557}}^1$

素因数の和:4552

約数の個数: 20

約数和(自身を含む): 157644424

約数和(自身を除く): 76352280

約数列:

[1, 2, 4, 8, 16, 1987, 2557, 3974, 5114, 7948, 10228, 15896, 20456, 31792, 40912, 5080759, 10161518, 20323036, 40646072, 81292144]

約数ペア:

[(1, 81292144), (2, 40646072), (4, 20323036), (8, 10161518), (16, 5080759), (1987, 40912), (2557, 31792), (3974, 20456), (5114, 15896), (7948, 10228)]