648087858

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 128

約数和(自身を含む): 1619066880

約数和(自身を除く): 970979022

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 71, 99, 121, 127, 142, 198, 213, 242, 254, 297, 363, 381, 426, 594, 639, 726, 762, 781, 1089, 1143, 1278, 1331, 1397, 1562, 1917, 2178, 2286, 2343, 2662, 2794, 3267, 3429, 3834, 3993, 4191, 4686, 6534, 6858, 7029, 7986, 8382, 8591, 9017, 11979, 12573, 14058, 15367, 17182, 18034, 21087, 23958, 25146, 25773, 27051, 30734, 35937, 37719, 42174, 46101, 51546, 54102, 71874, 75438, 77319, 81153, 92202, 94501, 99187, 138303, 154638, 162306, 169037, 189002, 198374, 231957, 243459, 276606, 283503, 297561, 338074, 414909, 463914, 486918, 507111, 567006, 595122, 829818, 850509, 892683, 1014222, 1091057, 1521333, 1701018, 1785366, 2182114, 2551527, 2678049, 3042666, 3273171, 4563999, 5103054, 5356098, 6546342, 9127998, 9819513, 12001627, 19639026, 24003254, 29458539, 36004881, 58917078, 72009762, 108014643, 216029286, 324043929, 648087858]

約数ペア:

[(1, 648087858), (2, 324043929), (3, 216029286), (6, 108014643), (9, 72009762), (11, 58917078), (18, 36004881), (22, 29458539), (27, 24003254), (33, 19639026), (54, 12001627), (66, 9819513), (71, 9127998), (99, 6546342), (121, 5356098), (127, 5103054), (142, 4563999), (198, 3273171), (213, 3042666), (242, 2678049), (254, 2551527), (297, 2182114), (363, 1785366), (381, 1701018), (426, 1521333), (594, 1091057), (639, 1014222), (726, 892683), (762, 850509), (781, 829818), (1089, 595122), (1143, 567006), (1278, 507111), (1331, 486918), (1397, 463914), (1562, 414909), (1917, 338074), (2178, 297561), (2286, 283503), (2343, 276606), (2662, 243459), (2794, 231957), (3267, 198374), (3429, 189002), (3834, 169037), (3993, 162306), (4191, 154638), (4686, 138303), (6534, 99187), (6858, 94501), (7029, 92202), (7986, 81153), (8382, 77319), (8591, 75438), (9017, 71874), (11979, 54102), (12573, 51546), (14058, 46101), (15367, 42174), (17182, 37719), (18034, 35937), (21087, 30734), (23958, 27051), (25146, 25773)]