531258

素因数分解:

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

素因数の和:171

約数の個数: 48

約数和(自身を含む): 1340640

約数和(自身を除く): 809382

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 139, 147, 182, 273, 278, 294, 417, 546, 637, 834, 973, 1274, 1807, 1911, 1946, 2919, 3614, 3822, 5421, 5838, 6811, 10842, 12649, 13622, 20433, 25298, 37947, 40866, 75894, 88543, 177086, 265629, 531258]

約数ペア:

[(1, 531258), (2, 265629), (3, 177086), (6, 88543), (7, 75894), (13, 40866), (14, 37947), (21, 25298), (26, 20433), (39, 13622), (42, 12649), (49, 10842), (78, 6811), (91, 5838), (98, 5421), (139, 3822), (147, 3614), (182, 2919), (273, 1946), (278, 1911), (294, 1807), (417, 1274), (546, 973), (637, 834)]