51317255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 70917120

約数和(自身を除く): 19599865

約数列:

[1, 5, 11, 23, 55, 113, 115, 253, 359, 565, 1243, 1265, 1795, 2599, 3949, 6215, 8257, 12995, 19745, 28589, 40567, 41285, 90827, 142945, 202835, 446237, 454135, 933041, 2231185, 4665205, 10263451, 51317255]

約数ペア:

[(1, 51317255), (5, 10263451), (11, 4665205), (23, 2231185), (55, 933041), (113, 454135), (115, 446237), (253, 202835), (359, 142945), (565, 90827), (1243, 41285), (1265, 40567), (1795, 28589), (2599, 19745), (3949, 12995), (6215, 8257)]