87998994

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 207360000

約数和(自身を除く): 119361006

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 199, 342, 398, 431, 513, 597, 862, 1026, 1194, 1293, 1791, 2586, 3582, 3781, 3879, 5373, 7562, 7758, 8189, 10746, 11343, 11637, 16378, 22686, 23274, 24567, 34029, 49134, 68058, 73701, 85769, 102087, 147402, 171538, 204174, 221103, 257307, 442206, 514614, 771921, 1543842, 1629611, 2315763, 3259222, 4631526, 4888833, 9777666, 14666499, 29332998, 43999497, 87998994]

約数ペア:

[(1, 87998994), (2, 43999497), (3, 29332998), (6, 14666499), (9, 9777666), (18, 4888833), (19, 4631526), (27, 3259222), (38, 2315763), (54, 1629611), (57, 1543842), (114, 771921), (171, 514614), (199, 442206), (342, 257307), (398, 221103), (431, 204174), (513, 171538), (597, 147402), (862, 102087), (1026, 85769), (1194, 73701), (1293, 68058), (1791, 49134), (2586, 34029), (3582, 24567), (3781, 23274), (3879, 22686), (5373, 16378), (7562, 11637), (7758, 11343), (8189, 10746)]