391322

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 16

約数和(自身を含む): 628992

約数和(自身を除く): 237670

約数列:

[1, 2, 23, 46, 47, 94, 181, 362, 1081, 2162, 4163, 8326, 8507, 17014, 195661, 391322]

約数ペア:

[(1, 391322), (2, 195661), (23, 17014), (46, 8507), (47, 8326), (94, 4163), (181, 2162), (362, 1081)]