209597975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1181}}^1$

素因数の和:1451

約数の個数: 24

約数和(自身を含む): 269685120

約数和(自身を除く): 60087145

約数列:

[1, 5, 25, 31, 155, 229, 775, 1145, 1181, 5725, 5905, 7099, 29525, 35495, 36611, 177475, 183055, 270449, 915275, 1352245, 6761225, 8383919, 41919595, 209597975]

約数ペア:

[(1, 209597975), (5, 41919595), (25, 8383919), (31, 6761225), (155, 1352245), (229, 915275), (775, 270449), (1145, 183055), (1181, 177475), (5725, 36611), (5905, 35495), (7099, 29525)]