12885775

素因数分解:

$5^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 36

約数和(自身を含む): 18984648

約数和(自身を除く): 6098873

約数列:

[1, 5, 7, 25, 35, 49, 67, 157, 175, 245, 335, 469, 785, 1099, 1225, 1675, 2345, 3283, 3925, 5495, 7693, 10519, 11725, 16415, 27475, 38465, 52595, 73633, 82075, 192325, 262975, 368165, 515431, 1840825, 2577155, 12885775]

約数ペア:

[(1, 12885775), (5, 2577155), (7, 1840825), (25, 515431), (35, 368165), (49, 262975), (67, 192325), (157, 82075), (175, 73633), (245, 52595), (335, 38465), (469, 27475), (785, 16415), (1099, 11725), (1225, 10519), (1675, 7693), (2345, 5495), (3283, 3925)]