209979926

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:357

約数の個数: 64

約数和(自身を含む): 374685696

約数和(自身を除く): 164705770

約数列:

[1, 2, 13, 23, 26, 31, 46, 47, 62, 94, 241, 299, 403, 482, 598, 611, 713, 806, 1081, 1222, 1426, 1457, 2162, 2914, 3133, 5543, 6266, 7471, 9269, 11086, 11327, 14053, 14942, 18538, 18941, 22654, 28106, 33511, 37882, 67022, 72059, 97123, 144118, 147251, 171833, 194246, 260521, 294502, 343666, 351137, 435643, 521042, 702274, 871286, 2233829, 3386773, 4467658, 4564781, 6773546, 8076151, 9129562, 16152302, 104989963, 209979926]

約数ペア:

[(1, 209979926), (2, 104989963), (13, 16152302), (23, 9129562), (26, 8076151), (31, 6773546), (46, 4564781), (47, 4467658), (62, 3386773), (94, 2233829), (241, 871286), (299, 702274), (403, 521042), (482, 435643), (598, 351137), (611, 343666), (713, 294502), (806, 260521), (1081, 194246), (1222, 171833), (1426, 147251), (1457, 144118), (2162, 97123), (2914, 72059), (3133, 67022), (5543, 37882), (6266, 33511), (7471, 28106), (9269, 22654), (11086, 18941), (11327, 18538), (14053, 14942)]