1378139

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 1718208

約数和(自身を除く): 340069

約数列:

[1, 7, 17, 37, 119, 259, 313, 629, 2191, 4403, 5321, 11581, 37247, 81067, 196877, 1378139]

約数ペア:

[(1, 1378139), (7, 196877), (17, 81067), (37, 37247), (119, 11581), (259, 5321), (313, 4403), (629, 2191)]