201604216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:916

約数の個数: 64

約数和(自身を含む): 428924160

約数和(自身を除く): 227319944

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 71, 82, 88, 142, 164, 284, 328, 451, 568, 781, 787, 902, 1562, 1574, 1804, 2911, 3124, 3148, 3608, 5822, 6248, 6296, 8657, 11644, 17314, 23288, 32021, 32267, 34628, 55877, 64042, 64534, 69256, 111754, 128084, 129068, 223508, 256168, 258136, 354937, 447016, 614647, 709874, 1229294, 1419748, 2290957, 2458588, 2839496, 4581914, 4917176, 9163828, 18327656, 25200527, 50401054, 100802108, 201604216]

約数ペア:

[(1, 201604216), (2, 100802108), (4, 50401054), (8, 25200527), (11, 18327656), (22, 9163828), (41, 4917176), (44, 4581914), (71, 2839496), (82, 2458588), (88, 2290957), (142, 1419748), (164, 1229294), (284, 709874), (328, 614647), (451, 447016), (568, 354937), (781, 258136), (787, 256168), (902, 223508), (1562, 129068), (1574, 128084), (1804, 111754), (2911, 69256), (3124, 64534), (3148, 64042), (3608, 55877), (5822, 34628), (6248, 32267), (6296, 32021), (8657, 23288), (11644, 17314)]