81202132

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 168920640

約数和(自身を除く): 87718508

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 71, 121, 139, 142, 187, 242, 278, 284, 374, 484, 556, 748, 781, 1207, 1529, 1562, 2057, 2363, 2414, 3058, 3124, 4114, 4726, 4828, 6116, 8228, 8591, 9452, 9869, 13277, 16819, 17182, 19738, 25993, 26554, 33638, 34364, 39476, 51986, 53108, 67276, 103972, 108559, 146047, 167773, 217118, 285923, 292094, 335546, 434236, 571846, 584188, 671092, 1143692, 1194149, 1845503, 2388298, 3691006, 4776596, 7382012, 20300533, 40601066, 81202132]

約数ペア:

[(1, 81202132), (2, 40601066), (4, 20300533), (11, 7382012), (17, 4776596), (22, 3691006), (34, 2388298), (44, 1845503), (68, 1194149), (71, 1143692), (121, 671092), (139, 584188), (142, 571846), (187, 434236), (242, 335546), (278, 292094), (284, 285923), (374, 217118), (484, 167773), (556, 146047), (748, 108559), (781, 103972), (1207, 67276), (1529, 53108), (1562, 51986), (2057, 39476), (2363, 34364), (2414, 33638), (3058, 26554), (3124, 25993), (4114, 19738), (4726, 17182), (4828, 16819), (6116, 13277), (8228, 9869), (8591, 9452)]