28747075

素因数分解:

$5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:812

約数の個数: 36

約数和(自身を含む): 42860352

約数和(自身を除く): 14113277

約数列:

[1, 5, 7, 25, 31, 35, 49, 155, 175, 217, 245, 757, 775, 1085, 1225, 1519, 3785, 5299, 5425, 7595, 18925, 23467, 26495, 37093, 37975, 117335, 132475, 164269, 185465, 586675, 821345, 927325, 1149883, 4106725, 5749415, 28747075]

約数ペア:

[(1, 28747075), (5, 5749415), (7, 4106725), (25, 1149883), (31, 927325), (35, 821345), (49, 586675), (155, 185465), (175, 164269), (217, 132475), (245, 117335), (757, 37975), (775, 37093), (1085, 26495), (1225, 23467), (1519, 18925), (3785, 7595), (5299, 5425)]