64660978

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 104537088

約数和(自身を除く): 39876110

約数列:

[1, 2, 31, 37, 62, 71, 74, 142, 397, 794, 1147, 2201, 2294, 2627, 4402, 5254, 12307, 14689, 24614, 28187, 29378, 56374, 81437, 162874, 455359, 873797, 910718, 1042919, 1747594, 2085838, 32330489, 64660978]

約数ペア:

[(1, 64660978), (2, 32330489), (31, 2085838), (37, 1747594), (62, 1042919), (71, 910718), (74, 873797), (142, 455359), (397, 162874), (794, 81437), (1147, 56374), (2201, 29378), (2294, 28187), (2627, 24614), (4402, 14689), (5254, 12307)]