81021904

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1093}}^1$

素因数の和:1255

約数の個数: 40

約数和(自身を含む): 162380232

約数和(自身を除く): 81358328

約数列:

[1, 2, 4, 8, 16, 41, 82, 113, 164, 226, 328, 452, 656, 904, 1093, 1808, 2186, 4372, 4633, 8744, 9266, 17488, 18532, 37064, 44813, 74128, 89626, 123509, 179252, 247018, 358504, 494036, 717008, 988072, 1976144, 5063869, 10127738, 20255476, 40510952, 81021904]

約数ペア:

[(1, 81021904), (2, 40510952), (4, 20255476), (8, 10127738), (16, 5063869), (41, 1976144), (82, 988072), (113, 717008), (164, 494036), (226, 358504), (328, 247018), (452, 179252), (656, 123509), (904, 89626), (1093, 74128), (1808, 44813), (2186, 37064), (4372, 18532), (4633, 17488), (8744, 9266)]