221096414

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 426580992

約数和(自身を除く): 205484578

約数列:

[1, 2, 7, 11, 14, 22, 71, 73, 77, 142, 146, 154, 277, 497, 511, 554, 781, 803, 994, 1022, 1562, 1606, 1939, 3047, 3878, 5183, 5467, 5621, 6094, 10366, 10934, 11242, 19667, 20221, 21329, 36281, 39334, 40442, 42658, 57013, 72562, 114026, 137669, 141547, 216337, 222431, 275338, 283094, 399091, 432674, 444862, 798182, 1435691, 1514359, 1557017, 2871382, 3028718, 3114034, 10049837, 15792601, 20099674, 31585202, 110548207, 221096414]

約数ペア:

[(1, 221096414), (2, 110548207), (7, 31585202), (11, 20099674), (14, 15792601), (22, 10049837), (71, 3114034), (73, 3028718), (77, 2871382), (142, 1557017), (146, 1514359), (154, 1435691), (277, 798182), (497, 444862), (511, 432674), (554, 399091), (781, 283094), (803, 275338), (994, 222431), (1022, 216337), (1562, 141547), (1606, 137669), (1939, 114026), (3047, 72562), (3878, 57013), (5183, 42658), (5467, 40442), (5621, 39334), (6094, 36281), (10366, 21329), (10934, 20221), (11242, 19667)]