279726228

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{15761}}^1$

素因数の和:15817

約数の個数: 72

約数和(自身を含む): 774544680

約数和(自身を除く): 494818452

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 68, 87, 102, 116, 153, 174, 204, 261, 306, 348, 493, 522, 612, 986, 1044, 1479, 1972, 2958, 4437, 5916, 8874, 15761, 17748, 31522, 47283, 63044, 94566, 141849, 189132, 267937, 283698, 457069, 535874, 567396, 803811, 914138, 1071748, 1371207, 1607622, 1828276, 2411433, 2742414, 3215244, 4113621, 4822866, 5484828, 7770173, 8227242, 9645732, 15540346, 16454484, 23310519, 31080692, 46621038, 69931557, 93242076, 139863114, 279726228]

約数ペア:

[(1, 279726228), (2, 139863114), (3, 93242076), (4, 69931557), (6, 46621038), (9, 31080692), (12, 23310519), (17, 16454484), (18, 15540346), (29, 9645732), (34, 8227242), (36, 7770173), (51, 5484828), (58, 4822866), (68, 4113621), (87, 3215244), (102, 2742414), (116, 2411433), (153, 1828276), (174, 1607622), (204, 1371207), (261, 1071748), (306, 914138), (348, 803811), (493, 567396), (522, 535874), (612, 457069), (986, 283698), (1044, 267937), (1479, 189132), (1972, 141849), (2958, 94566), (4437, 63044), (5916, 47283), (8874, 31522), (15761, 17748)]