81917344

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2153}}^1$

素因数の和:2233

約数の個数: 48

約数和(自身を含む): 170984520

約数和(自身を除く): 89067176

約数列:

[1, 2, 4, 8, 16, 29, 32, 41, 58, 82, 116, 164, 232, 328, 464, 656, 928, 1189, 1312, 2153, 2378, 4306, 4756, 8612, 9512, 17224, 19024, 34448, 38048, 62437, 68896, 88273, 124874, 176546, 249748, 353092, 499496, 706184, 998992, 1412368, 1997984, 2559917, 2824736, 5119834, 10239668, 20479336, 40958672, 81917344]

約数ペア:

[(1, 81917344), (2, 40958672), (4, 20479336), (8, 10239668), (16, 5119834), (29, 2824736), (32, 2559917), (41, 1997984), (58, 1412368), (82, 998992), (116, 706184), (164, 499496), (232, 353092), (328, 249748), (464, 176546), (656, 124874), (928, 88273), (1189, 68896), (1312, 62437), (2153, 38048), (2378, 34448), (4306, 19024), (4756, 17224), (8612, 9512)]