2567502

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 72

約数和(自身を含む): 6722352

約数和(自身を除く): 4154850

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 71, 82, 98, 123, 126, 142, 147, 213, 246, 287, 294, 369, 426, 441, 497, 574, 639, 738, 861, 882, 994, 1278, 1491, 1722, 2009, 2583, 2911, 2982, 3479, 4018, 4473, 5166, 5822, 6027, 6958, 8733, 8946, 10437, 12054, 17466, 18081, 20377, 20874, 26199, 31311, 36162, 40754, 52398, 61131, 62622, 122262, 142639, 183393, 285278, 366786, 427917, 855834, 1283751, 2567502]

約数ペア:

[(1, 2567502), (2, 1283751), (3, 855834), (6, 427917), (7, 366786), (9, 285278), (14, 183393), (18, 142639), (21, 122262), (41, 62622), (42, 61131), (49, 52398), (63, 40754), (71, 36162), (82, 31311), (98, 26199), (123, 20874), (126, 20377), (142, 18081), (147, 17466), (213, 12054), (246, 10437), (287, 8946), (294, 8733), (369, 6958), (426, 6027), (441, 5822), (497, 5166), (574, 4473), (639, 4018), (738, 3479), (861, 2982), (882, 2911), (994, 2583), (1278, 2009), (1491, 1722)]