289663918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{20333}}^1$

素因数の和:20771

約数の個数: 16

約数和(自身を含む): 461175120

約数和(自身を除く): 171511202

約数列:

[1, 2, 17, 34, 419, 838, 7123, 14246, 20333, 40666, 345661, 691322, 8519527, 17039054, 144831959, 289663918]

約数ペア:

[(1, 289663918), (2, 144831959), (17, 17039054), (34, 8519527), (419, 691322), (838, 345661), (7123, 40666), (14246, 20333)]