81569804

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{2341}}^1$

素因数の和:2657

約数の個数: 24

約数和(自身を含む): 147939456

約数和(自身を除く): 66369652

約数列:

[1, 2, 4, 31, 62, 124, 281, 562, 1124, 2341, 4682, 8711, 9364, 17422, 34844, 72571, 145142, 290284, 657821, 1315642, 2631284, 20392451, 40784902, 81569804]

約数ペア:

[(1, 81569804), (2, 40784902), (4, 20392451), (31, 2631284), (62, 1315642), (124, 657821), (281, 290284), (562, 145142), (1124, 72571), (2341, 34844), (4682, 17422), (8711, 9364)]