1289404330

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1\times {\mathrm{1609}}^1$

素因数の和:2374

約数の個数: 32

約数和(自身を含む): 2344366080

約数和(自身を除く): 1054961750

約数列:

[1, 2, 5, 10, 127, 254, 631, 635, 1262, 1270, 1609, 3155, 3218, 6310, 8045, 16090, 80137, 160274, 204343, 400685, 408686, 801370, 1015279, 1021715, 2030558, 2043430, 5076395, 10152790, 128940433, 257880866, 644702165, 1289404330]

約数ペア:

[(1, 1289404330), (2, 644702165), (5, 257880866), (10, 128940433), (127, 10152790), (254, 5076395), (631, 2043430), (635, 2030558), (1262, 1021715), (1270, 1015279), (1609, 801370), (3155, 408686), (3218, 400685), (6310, 204343), (8045, 160274), (16090, 80137)]