217387716

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{28439}}^1$

素因数の和:28473

約数の個数: 72

約数和(自身を含む): 635463360

約数和(自身を除く): 418075644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 28439, 56878, 85317, 113756, 170634, 199073, 341268, 369707, 398146, 597219, 739414, 796292, 1109121, 1194438, 1393511, 1478828, 2218242, 2388876, 2587949, 2787022, 4180533, 4436484, 5175898, 5574044, 7763847, 8361066, 10351796, 15527694, 16722132, 18115643, 31055388, 36231286, 54346929, 72462572, 108693858, 217387716]

約数ペア:

[(1, 217387716), (2, 108693858), (3, 72462572), (4, 54346929), (6, 36231286), (7, 31055388), (12, 18115643), (13, 16722132), (14, 15527694), (21, 10351796), (26, 8361066), (28, 7763847), (39, 5574044), (42, 5175898), (49, 4436484), (52, 4180533), (78, 2787022), (84, 2587949), (91, 2388876), (98, 2218242), (147, 1478828), (156, 1393511), (182, 1194438), (196, 1109121), (273, 796292), (294, 739414), (364, 597219), (546, 398146), (588, 369707), (637, 341268), (1092, 199073), (1274, 170634), (1911, 113756), (2548, 85317), (3822, 56878), (7644, 28439)]