644964

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 1528128

約数和(自身を除く): 883164

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 757, 852, 1514, 2271, 3028, 4542, 9084, 53747, 107494, 161241, 214988, 322482, 644964]

約数ペア:

[(1, 644964), (2, 322482), (3, 214988), (4, 161241), (6, 107494), (12, 53747), (71, 9084), (142, 4542), (213, 3028), (284, 2271), (426, 1514), (757, 852)]