217867902

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73061}}^1$

素因数の和:73144

約数の個数: 32

約数和(自身を含む): 505004544

約数和(自身を除く): 287136642

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 73061, 146122, 219183, 438366, 511427, 1022854, 1534281, 3068562, 5187331, 10374662, 15561993, 31123986, 36311317, 72622634, 108933951, 217867902]

約数ペア:

[(1, 217867902), (2, 108933951), (3, 72622634), (6, 36311317), (7, 31123986), (14, 15561993), (21, 10374662), (42, 5187331), (71, 3068562), (142, 1534281), (213, 1022854), (426, 511427), (497, 438366), (994, 219183), (1491, 146122), (2982, 73061)]