1890991732

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{88513}}^1$

素因数の和:88640

約数の個数: 36

約数和(自身を含む): 3884879460

約数和(自身を除く): 1993887728

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 436, 763, 1526, 3052, 5341, 10682, 21364, 88513, 177026, 354052, 619591, 1239182, 2478364, 4337137, 8674274, 9647917, 17348548, 19295834, 38591668, 67535419, 135070838, 270141676, 472747933, 945495866, 1890991732]

約数ペア:

[(1, 1890991732), (2, 945495866), (4, 472747933), (7, 270141676), (14, 135070838), (28, 67535419), (49, 38591668), (98, 19295834), (109, 17348548), (196, 9647917), (218, 8674274), (436, 4337137), (763, 2478364), (1526, 1239182), (3052, 619591), (5341, 354052), (10682, 177026), (21364, 88513)]