86978628

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1399}}^1$

素因数の和:1577

約数の個数: 72

約数和(自身を含む): 241550400

約数和(自身を除く): 154571772

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 157, 198, 314, 396, 471, 628, 942, 1399, 1413, 1727, 1884, 2798, 2826, 3454, 4197, 5181, 5596, 5652, 6908, 8394, 10362, 12591, 15389, 15543, 16788, 20724, 25182, 30778, 31086, 46167, 50364, 61556, 62172, 92334, 138501, 184668, 219643, 277002, 439286, 554004, 658929, 878572, 1317858, 1976787, 2416073, 2635716, 3953574, 4832146, 7248219, 7907148, 9664292, 14496438, 21744657, 28992876, 43489314, 86978628]

約数ペア:

[(1, 86978628), (2, 43489314), (3, 28992876), (4, 21744657), (6, 14496438), (9, 9664292), (11, 7907148), (12, 7248219), (18, 4832146), (22, 3953574), (33, 2635716), (36, 2416073), (44, 1976787), (66, 1317858), (99, 878572), (132, 658929), (157, 554004), (198, 439286), (314, 277002), (396, 219643), (471, 184668), (628, 138501), (942, 92334), (1399, 62172), (1413, 61556), (1727, 50364), (1884, 46167), (2798, 31086), (2826, 30778), (3454, 25182), (4197, 20724), (5181, 16788), (5596, 15543), (5652, 15389), (6908, 12591), (8394, 10362)]