202908185

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 267252480

約数和(自身を除く): 64344295

約数列:

[1, 5, 23, 37, 43, 115, 185, 215, 851, 989, 1109, 1591, 4255, 4945, 5545, 7955, 25507, 36593, 41033, 47687, 127535, 182965, 205165, 238435, 943759, 1096801, 1764419, 4718795, 5484005, 8822095, 40581637, 202908185]

約数ペア:

[(1, 202908185), (5, 40581637), (23, 8822095), (37, 5484005), (43, 4718795), (115, 1764419), (185, 1096801), (215, 943759), (851, 238435), (989, 205165), (1109, 182965), (1591, 127535), (4255, 47687), (4945, 41033), (5545, 36593), (7955, 25507)]