628691

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:218

約数の個数: 16

約数和(自身を含む): 787200

約数和(自身を除く): 158509

約数列:

[1, 7, 19, 29, 133, 163, 203, 551, 1141, 3097, 3857, 4727, 21679, 33089, 89813, 628691]

約数ペア:

[(1, 628691), (7, 89813), (19, 33089), (29, 21679), (133, 4727), (163, 3857), (203, 3097), (551, 1141)]