1989103676

素因数分解:

$2^2\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{53777}}^1$

素因数の和:55109

約数の個数: 24

約数和(自身を含む): 3981292896

約数和(自身を除く): 1992189220

約数列:

[1, 2, 4, 7, 14, 28, 1321, 2642, 5284, 9247, 18494, 36988, 53777, 107554, 215108, 376439, 752878, 1505756, 71039417, 142078834, 284157668, 497275919, 994551838, 1989103676]

約数ペア:

[(1, 1989103676), (2, 994551838), (4, 497275919), (7, 284157668), (14, 142078834), (28, 71039417), (1321, 1505756), (2642, 752878), (5284, 376439), (9247, 215108), (18494, 107554), (36988, 53777)]