68128388

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{3271}}^1$

素因数の和:3443

約数の個数: 24

約数和(自身を含む): 123131904

約数和(自身を除く): 55003516

約数列:

[1, 2, 4, 41, 82, 127, 164, 254, 508, 3271, 5207, 6542, 10414, 13084, 20828, 134111, 268222, 415417, 536444, 830834, 1661668, 17032097, 34064194, 68128388]

約数ペア:

[(1, 68128388), (2, 34064194), (4, 17032097), (41, 1661668), (82, 830834), (127, 536444), (164, 415417), (254, 268222), (508, 134111), (3271, 20828), (5207, 13084), (6542, 10414)]