51215990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1601}}^1$

素因数の和:2072

約数の個数: 32

約数和(自身を含む): 105655104

約数和(自身を除く): 54439114

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 457, 914, 1601, 2285, 3199, 3202, 4570, 6398, 8005, 11207, 15995, 16010, 22414, 31990, 56035, 112070, 731657, 1463314, 3658285, 5121599, 7316570, 10243198, 25607995, 51215990]

約数ペア:

[(1, 51215990), (2, 25607995), (5, 10243198), (7, 7316570), (10, 5121599), (14, 3658285), (35, 1463314), (70, 731657), (457, 112070), (914, 56035), (1601, 31990), (2285, 22414), (3199, 16010), (3202, 15995), (4570, 11207), (6398, 8005)]