81986904

素因数分解:

$2^3\times 3^4\times {\mathrm{23}}^1\times {\mathrm{5501}}^1$

素因数の和:5542

約数の個数: 80

約数和(自身を含む): 239667120

約数和(自身を除く): 157680216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 27, 36, 46, 54, 69, 72, 81, 92, 108, 138, 162, 184, 207, 216, 276, 324, 414, 552, 621, 648, 828, 1242, 1656, 1863, 2484, 3726, 4968, 5501, 7452, 11002, 14904, 16503, 22004, 33006, 44008, 49509, 66012, 99018, 126523, 132024, 148527, 198036, 253046, 297054, 379569, 396072, 445581, 506092, 594108, 759138, 891162, 1012184, 1138707, 1188216, 1518276, 1782324, 2277414, 3036552, 3416121, 3564648, 4554828, 6832242, 9109656, 10248363, 13664484, 20496726, 27328968, 40993452, 81986904]

約数ペア:

[(1, 81986904), (2, 40993452), (3, 27328968), (4, 20496726), (6, 13664484), (8, 10248363), (9, 9109656), (12, 6832242), (18, 4554828), (23, 3564648), (24, 3416121), (27, 3036552), (36, 2277414), (46, 1782324), (54, 1518276), (69, 1188216), (72, 1138707), (81, 1012184), (92, 891162), (108, 759138), (138, 594108), (162, 506092), (184, 445581), (207, 396072), (216, 379569), (276, 297054), (324, 253046), (414, 198036), (552, 148527), (621, 132024), (648, 126523), (828, 99018), (1242, 66012), (1656, 49509), (1863, 44008), (2484, 33006), (3726, 22004), (4968, 16503), (5501, 14904), (7452, 11002)]