64999988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{1409}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 120019200

約数和(自身を除く): 55019212

約数列:

[1, 2, 4, 19, 38, 76, 607, 1214, 1409, 2428, 2818, 5636, 11533, 23066, 26771, 46132, 53542, 107084, 855263, 1710526, 3421052, 16249997, 32499994, 64999988]

約数ペア:

[(1, 64999988), (2, 32499994), (4, 16249997), (19, 3421052), (38, 1710526), (76, 855263), (607, 107084), (1214, 53542), (1409, 46132), (2428, 26771), (2818, 23066), (5636, 11533)]