209905936

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{631}}^1\times {\mathrm{1223}}^1$

素因数の和:1879

約数の個数: 40

約数和(自身を含む): 431650944

約数和(自身を除く): 221745008

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 631, 1223, 1262, 2446, 2524, 4892, 5048, 9784, 10096, 10727, 19568, 20791, 21454, 41582, 42908, 83164, 85816, 166328, 171632, 332656, 771713, 1543426, 3086852, 6173704, 12347408, 13119121, 26238242, 52476484, 104952968, 209905936]

約数ペア:

[(1, 209905936), (2, 104952968), (4, 52476484), (8, 26238242), (16, 13119121), (17, 12347408), (34, 6173704), (68, 3086852), (136, 1543426), (272, 771713), (631, 332656), (1223, 171632), (1262, 166328), (2446, 85816), (2524, 83164), (4892, 42908), (5048, 41582), (9784, 21454), (10096, 20791), (10727, 19568)]