28156674

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 72394560

約数和(自身を除く): 44237886

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 53, 78, 91, 98, 106, 139, 147, 159, 182, 273, 278, 294, 318, 371, 417, 546, 637, 689, 742, 834, 973, 1113, 1274, 1378, 1807, 1911, 1946, 2067, 2226, 2597, 2919, 3614, 3822, 4134, 4823, 5194, 5421, 5838, 6811, 7367, 7791, 9646, 10842, 12649, 13622, 14469, 14734, 15582, 20433, 22101, 25298, 28938, 33761, 37947, 40866, 44202, 51569, 67522, 75894, 88543, 95771, 101283, 103138, 154707, 177086, 191542, 202566, 265629, 287313, 309414, 360983, 531258, 574626, 670397, 721966, 1082949, 1340794, 2011191, 2165898, 4022382, 4692779, 9385558, 14078337, 28156674]

約数ペア:

[(1, 28156674), (2, 14078337), (3, 9385558), (6, 4692779), (7, 4022382), (13, 2165898), (14, 2011191), (21, 1340794), (26, 1082949), (39, 721966), (42, 670397), (49, 574626), (53, 531258), (78, 360983), (91, 309414), (98, 287313), (106, 265629), (139, 202566), (147, 191542), (159, 177086), (182, 154707), (273, 103138), (278, 101283), (294, 95771), (318, 88543), (371, 75894), (417, 67522), (546, 51569), (637, 44202), (689, 40866), (742, 37947), (834, 33761), (973, 28938), (1113, 25298), (1274, 22101), (1378, 20433), (1807, 15582), (1911, 14734), (1946, 14469), (2067, 13622), (2226, 12649), (2597, 10842), (2919, 9646), (3614, 7791), (3822, 7367), (4134, 6811), (4823, 5838), (5194, 5421)]