249804978

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 535272192

約数和(自身を除く): 285467214

約数列:

[1, 2, 3, 6, 23, 46, 69, 73, 137, 138, 146, 181, 219, 274, 362, 411, 438, 543, 822, 1086, 1679, 3151, 3358, 4163, 5037, 6302, 8326, 9453, 10001, 10074, 12489, 13213, 18906, 20002, 24797, 24978, 26426, 30003, 39639, 49594, 60006, 74391, 79278, 148782, 230023, 303899, 460046, 570331, 607798, 690069, 911697, 1140662, 1380138, 1710993, 1810181, 1823394, 3421986, 3620362, 5430543, 10861086, 41634163, 83268326, 124902489, 249804978]

約数ペア:

[(1, 249804978), (2, 124902489), (3, 83268326), (6, 41634163), (23, 10861086), (46, 5430543), (69, 3620362), (73, 3421986), (137, 1823394), (138, 1810181), (146, 1710993), (181, 1380138), (219, 1140662), (274, 911697), (362, 690069), (411, 607798), (438, 570331), (543, 460046), (822, 303899), (1086, 230023), (1679, 148782), (3151, 79278), (3358, 74391), (4163, 60006), (5037, 49594), (6302, 39639), (8326, 30003), (9453, 26426), (10001, 24978), (10074, 24797), (12489, 20002), (13213, 18906)]