208056345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1559}}^1$

素因数の和:1646

約数の個数: 64

約数和(自身を含む): 402554880

約数和(自身を除く): 194498535

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 41, 93, 105, 123, 155, 205, 217, 287, 465, 615, 651, 861, 1085, 1271, 1435, 1559, 3255, 3813, 4305, 4677, 6355, 7795, 8897, 10913, 19065, 23385, 26691, 32739, 44485, 48329, 54565, 63919, 133455, 144987, 163695, 191757, 241645, 319595, 338303, 447433, 724935, 958785, 1014909, 1342299, 1691515, 1981489, 2237165, 5074545, 5944467, 6711495, 9907445, 13870423, 29722335, 41611269, 69352115, 208056345]

約数ペア:

[(1, 208056345), (3, 69352115), (5, 41611269), (7, 29722335), (15, 13870423), (21, 9907445), (31, 6711495), (35, 5944467), (41, 5074545), (93, 2237165), (105, 1981489), (123, 1691515), (155, 1342299), (205, 1014909), (217, 958785), (287, 724935), (465, 447433), (615, 338303), (651, 319595), (861, 241645), (1085, 191757), (1271, 163695), (1435, 144987), (1559, 133455), (3255, 63919), (3813, 54565), (4305, 48329), (4677, 44485), (6355, 32739), (7795, 26691), (8897, 23385), (10913, 19065)]