347996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{719}}^1$

素因数の和:745

約数の個数: 18

約数和(自身を含む): 670320

約数和(自身を除く): 322324

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 719, 1438, 2876, 7909, 15818, 31636, 86999, 173998, 347996]

約数ペア:

[(1, 347996), (2, 173998), (4, 86999), (11, 31636), (22, 15818), (44, 7909), (121, 2876), (242, 1438), (484, 719)]