51174955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 69189120

約数和(自身を除く): 18014165

約数列:

[1, 5, 13, 31, 65, 109, 155, 233, 403, 545, 1165, 1417, 2015, 3029, 3379, 7085, 7223, 15145, 16895, 25397, 36115, 43927, 93899, 126985, 219635, 330161, 469495, 787307, 1650805, 3936535, 10234991, 51174955]

約数ペア:

[(1, 51174955), (5, 10234991), (13, 3936535), (31, 1650805), (65, 787307), (109, 469495), (155, 330161), (233, 219635), (403, 126985), (545, 93899), (1165, 43927), (1417, 36115), (2015, 25397), (3029, 16895), (3379, 15145), (7085, 7223)]