211988

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 434112

約数和(自身を除く): 222124

約数列:

[1, 2, 4, 7, 14, 28, 67, 113, 134, 226, 268, 452, 469, 791, 938, 1582, 1876, 3164, 7571, 15142, 30284, 52997, 105994, 211988]

約数ペア:

[(1, 211988), (2, 105994), (4, 52997), (7, 30284), (14, 15142), (28, 7571), (67, 3164), (113, 1876), (134, 1582), (226, 938), (268, 791), (452, 469)]