81737244

素因数分解:

$2^2\times 3^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 211891680

約数和(自身を除く): 130154436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 89, 97, 178, 194, 263, 267, 291, 356, 388, 526, 534, 582, 789, 801, 873, 1052, 1068, 1164, 1578, 1602, 1746, 2367, 3156, 3204, 3492, 4734, 8633, 9468, 17266, 23407, 25511, 25899, 34532, 46814, 51022, 51798, 70221, 76533, 77697, 93628, 102044, 103596, 140442, 153066, 155394, 210663, 229599, 280884, 306132, 310788, 421326, 459198, 842652, 918396, 2270479, 4540958, 6811437, 9081916, 13622874, 20434311, 27245748, 40868622, 81737244]

約数ペア:

[(1, 81737244), (2, 40868622), (3, 27245748), (4, 20434311), (6, 13622874), (9, 9081916), (12, 6811437), (18, 4540958), (36, 2270479), (89, 918396), (97, 842652), (178, 459198), (194, 421326), (263, 310788), (267, 306132), (291, 280884), (356, 229599), (388, 210663), (526, 155394), (534, 153066), (582, 140442), (789, 103596), (801, 102044), (873, 93628), (1052, 77697), (1068, 76533), (1164, 70221), (1578, 51798), (1602, 51022), (1746, 46814), (2367, 34532), (3156, 25899), (3204, 25511), (3492, 23407), (4734, 17266), (8633, 9468)]