64421819

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2543}}^1$

素因数の和:2615

約数の個数: 24

約数和(自身を含む): 83524608

約数和(自身を除く): 19102789

約数列:

[1, 7, 11, 47, 49, 77, 329, 517, 539, 2303, 2543, 3619, 17801, 25333, 27973, 119521, 124607, 195811, 836647, 1314731, 1370677, 5856529, 9203117, 64421819]

約数ペア:

[(1, 64421819), (7, 9203117), (11, 5856529), (47, 1370677), (49, 1314731), (77, 836647), (329, 195811), (517, 124607), (539, 119521), (2303, 27973), (2543, 25333), (3619, 17801)]