72978652

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{13327}}^1$

素因数の和:13405

約数の個数: 18

約数和(自身を含む): 131267472

約数和(自身を除く): 58288820

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 5476, 13327, 26654, 53308, 493099, 986198, 1972396, 18244663, 36489326, 72978652]

約数ペア:

[(1, 72978652), (2, 36489326), (4, 18244663), (37, 1972396), (74, 986198), (148, 493099), (1369, 53308), (2738, 26654), (5476, 13327)]