278234542

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{433}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 445596480

約数和(自身を除く): 167361938

約数列:

[1, 2, 23, 46, 61, 122, 229, 433, 458, 866, 1403, 2806, 5267, 9959, 10534, 13969, 19918, 26413, 27938, 52826, 99157, 198314, 321287, 607499, 642574, 1214998, 2280611, 4561222, 6048577, 12097154, 139117271, 278234542]

約数ペア:

[(1, 278234542), (2, 139117271), (23, 12097154), (46, 6048577), (61, 4561222), (122, 2280611), (229, 1214998), (433, 642574), (458, 607499), (866, 321287), (1403, 198314), (2806, 99157), (5267, 52826), (9959, 27938), (10534, 26413), (13969, 19918)]