81847532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{1621}}^1$

素因数の和:2609

約数の個数: 24

約数和(自身を含む): 154505232

約数和(自身を除く): 72657700

約数列:

[1, 2, 4, 13, 26, 52, 971, 1621, 1942, 3242, 3884, 6484, 12623, 21073, 25246, 42146, 50492, 84292, 1573991, 3147982, 6295964, 20461883, 40923766, 81847532]

約数ペア:

[(1, 81847532), (2, 40923766), (4, 20461883), (13, 6295964), (26, 3147982), (52, 1573991), (971, 84292), (1621, 50492), (1942, 42146), (3242, 25246), (3884, 21073), (6484, 12623)]