216395748

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1999}}^1$

素因数の和:2137

約数の個数: 72

約数和(自身を含む): 570752000

約数和(自身を除く): 354356252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 97, 124, 186, 194, 279, 291, 372, 388, 558, 582, 873, 1116, 1164, 1746, 1999, 3007, 3492, 3998, 5997, 6014, 7996, 9021, 11994, 12028, 17991, 18042, 23988, 27063, 35982, 36084, 54126, 61969, 71964, 108252, 123938, 185907, 193903, 247876, 371814, 387806, 557721, 581709, 743628, 775612, 1115442, 1163418, 1745127, 2230884, 2326836, 3490254, 6010993, 6980508, 12021986, 18032979, 24043972, 36065958, 54098937, 72131916, 108197874, 216395748]

約数ペア:

[(1, 216395748), (2, 108197874), (3, 72131916), (4, 54098937), (6, 36065958), (9, 24043972), (12, 18032979), (18, 12021986), (31, 6980508), (36, 6010993), (62, 3490254), (93, 2326836), (97, 2230884), (124, 1745127), (186, 1163418), (194, 1115442), (279, 775612), (291, 743628), (372, 581709), (388, 557721), (558, 387806), (582, 371814), (873, 247876), (1116, 193903), (1164, 185907), (1746, 123938), (1999, 108252), (3007, 71964), (3492, 61969), (3998, 54126), (5997, 36084), (6014, 35982), (7996, 27063), (9021, 23988), (11994, 18042), (12028, 17991)]