678334

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:371

約数の個数: 16

約数和(自身を含む): 1096416

約数和(自身を除く): 418082

約数列:

[1, 2, 17, 34, 71, 142, 281, 562, 1207, 2414, 4777, 9554, 19951, 39902, 339167, 678334]

約数ペア:

[(1, 678334), (2, 339167), (17, 39902), (34, 19951), (71, 9554), (142, 4777), (281, 2414), (562, 1207)]