217158186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{72823}}^1$

素因数の和:72906

約数の個数: 32

約数和(自身を含む): 503359488

約数和(自身を除く): 286201302

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 72823, 145646, 218469, 436938, 509761, 1019522, 1529283, 3058566, 5170433, 10340866, 15511299, 31022598, 36193031, 72386062, 108579093, 217158186]

約数ペア:

[(1, 217158186), (2, 108579093), (3, 72386062), (6, 36193031), (7, 31022598), (14, 15511299), (21, 10340866), (42, 5170433), (71, 3058566), (142, 1529283), (213, 1019522), (426, 509761), (497, 436938), (994, 218469), (1491, 145646), (2982, 72823)]