81865252

素因数分解:

$2^2\times 7^1\times {\mathrm{1307}}^1\times {\mathrm{2237}}^1$

素因数の和:3555

約数の個数: 24

約数和(自身を含む): 163929024

約数和(自身を除く): 82063772

約数列:

[1, 2, 4, 7, 14, 28, 1307, 2237, 2614, 4474, 5228, 8948, 9149, 15659, 18298, 31318, 36596, 62636, 2923759, 5847518, 11695036, 20466313, 40932626, 81865252]

約数ペア:

[(1, 81865252), (2, 40932626), (4, 20466313), (7, 11695036), (14, 5847518), (28, 2923759), (1307, 62636), (2237, 36596), (2614, 31318), (4474, 18298), (5228, 15659), (8948, 9149)]