208512885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{367}}^1\times {\mathrm{773}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 389650176

約数和(自身を除く): 181137291

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 367, 735, 773, 1101, 1835, 2319, 2569, 3865, 5411, 5505, 7707, 11595, 12845, 16233, 17983, 27055, 37877, 38535, 53949, 81165, 89915, 113631, 189385, 269745, 283691, 568155, 851073, 1418455, 1985837, 4255365, 5957511, 9929185, 13900859, 29787555, 41702577, 69504295, 208512885]

約数ペア:

[(1, 208512885), (3, 69504295), (5, 41702577), (7, 29787555), (15, 13900859), (21, 9929185), (35, 5957511), (49, 4255365), (105, 1985837), (147, 1418455), (245, 851073), (367, 568155), (735, 283691), (773, 269745), (1101, 189385), (1835, 113631), (2319, 89915), (2569, 81165), (3865, 53949), (5411, 38535), (5505, 37877), (7707, 27055), (11595, 17983), (12845, 16233)]