209225872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{2213}}^1$

素因数の和:2551

約数の個数: 40

約数和(自身を含む): 428276160

約数和(自身を除く): 219050288

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 311, 622, 1244, 2213, 2488, 4426, 4976, 5909, 8852, 11818, 17704, 23636, 35408, 42047, 47272, 84094, 94544, 168188, 336376, 672752, 688243, 1376486, 2752972, 5505944, 11011888, 13076617, 26153234, 52306468, 104612936, 209225872]

約数ペア:

[(1, 209225872), (2, 104612936), (4, 52306468), (8, 26153234), (16, 13076617), (19, 11011888), (38, 5505944), (76, 2752972), (152, 1376486), (304, 688243), (311, 672752), (622, 336376), (1244, 168188), (2213, 94544), (2488, 84094), (4426, 47272), (4976, 42047), (5909, 35408), (8852, 23636), (11818, 17704)]