81911448

素因数分解:

$2^3\times 3^2\times {\mathrm{1137659}}^1$

素因数の和:1137671

約数の個数: 24

約数和(自身を含む): 221843700

約数和(自身を除く): 139932252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1137659, 2275318, 3412977, 4550636, 6825954, 9101272, 10238931, 13651908, 20477862, 27303816, 40955724, 81911448]

約数ペア:

[(1, 81911448), (2, 40955724), (3, 27303816), (4, 20477862), (6, 13651908), (8, 10238931), (9, 9101272), (12, 6825954), (18, 4550636), (24, 3412977), (36, 2275318), (72, 1137659)]