81781416

素因数分解:

$2^3\times 3^2\times {\mathrm{1135853}}^1$

素因数の和:1135865

約数の個数: 24

約数和(自身を含む): 221491530

約数和(自身を除く): 139710114

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1135853, 2271706, 3407559, 4543412, 6815118, 9086824, 10222677, 13630236, 20445354, 27260472, 40890708, 81781416]

約数ペア:

[(1, 81781416), (2, 40890708), (3, 27260472), (4, 20445354), (6, 13630236), (8, 10222677), (9, 9086824), (12, 6815118), (18, 4543412), (24, 3407559), (36, 2271706), (72, 1135853)]