206968

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 398160

約数和(自身を除く): 191192

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 631, 1262, 2524, 5048, 25871, 51742, 103484, 206968]

約数ペア:

[(1, 206968), (2, 103484), (4, 51742), (8, 25871), (41, 5048), (82, 2524), (164, 1262), (328, 631)]