81937576

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1453}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 188438400

約数和(自身を除く): 106500824

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 53, 56, 76, 106, 133, 152, 212, 266, 371, 424, 532, 742, 1007, 1064, 1453, 1484, 2014, 2906, 2968, 4028, 5812, 7049, 8056, 10171, 11624, 14098, 20342, 27607, 28196, 40684, 55214, 56392, 77009, 81368, 110428, 154018, 193249, 220856, 308036, 386498, 539063, 616072, 772996, 1078126, 1463171, 1545992, 2156252, 2926342, 4312504, 5852684, 10242197, 11705368, 20484394, 40968788, 81937576]

約数ペア:

[(1, 81937576), (2, 40968788), (4, 20484394), (7, 11705368), (8, 10242197), (14, 5852684), (19, 4312504), (28, 2926342), (38, 2156252), (53, 1545992), (56, 1463171), (76, 1078126), (106, 772996), (133, 616072), (152, 539063), (212, 386498), (266, 308036), (371, 220856), (424, 193249), (532, 154018), (742, 110428), (1007, 81368), (1064, 77009), (1453, 56392), (1484, 55214), (2014, 40684), (2906, 28196), (2968, 27607), (4028, 20342), (5812, 14098), (7049, 11624), (8056, 10171)]