1991859144

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{142357}}^1$

素因数の和:142430

約数の個数: 64

約数和(自身を含む): 5534879040

約数和(自身を除く): 3543019896

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 53, 66, 88, 106, 132, 159, 212, 264, 318, 424, 583, 636, 1166, 1272, 1749, 2332, 3498, 4664, 6996, 13992, 142357, 284714, 427071, 569428, 854142, 1138856, 1565927, 1708284, 3131854, 3416568, 4697781, 6263708, 7544921, 9395562, 12527416, 15089842, 18791124, 22634763, 30179684, 37582248, 45269526, 60359368, 82994131, 90539052, 165988262, 181078104, 248982393, 331976524, 497964786, 663953048, 995929572, 1991859144]

約数ペア:

[(1, 1991859144), (2, 995929572), (3, 663953048), (4, 497964786), (6, 331976524), (8, 248982393), (11, 181078104), (12, 165988262), (22, 90539052), (24, 82994131), (33, 60359368), (44, 45269526), (53, 37582248), (66, 30179684), (88, 22634763), (106, 18791124), (132, 15089842), (159, 12527416), (212, 9395562), (264, 7544921), (318, 6263708), (424, 4697781), (583, 3416568), (636, 3131854), (1166, 1708284), (1272, 1565927), (1749, 1138856), (2332, 854142), (3498, 569428), (4664, 427071), (6996, 284714), (13992, 142357)]