1764427

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:258

約数の個数: 16

約数和(自身を含む): 2138112

約数和(自身を除く): 373685

約数列:

[1, 7, 31, 47, 173, 217, 329, 1211, 1457, 5363, 8131, 10199, 37541, 56917, 252061, 1764427]

約数ペア:

[(1, 1764427), (7, 252061), (31, 56917), (47, 37541), (173, 10199), (217, 8131), (329, 5363), (1211, 1457)]