51488645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 69457920

約数和(自身を除く): 17969275

約数列:

[1, 5, 13, 37, 65, 79, 185, 271, 395, 481, 1027, 1355, 2405, 2923, 3523, 5135, 10027, 14615, 17615, 21409, 37999, 50135, 107045, 130351, 189995, 278317, 651755, 792133, 1391585, 3960665, 10297729, 51488645]

約数ペア:

[(1, 51488645), (5, 10297729), (13, 3960665), (37, 1391585), (65, 792133), (79, 651755), (185, 278317), (271, 189995), (395, 130351), (481, 107045), (1027, 50135), (1355, 37999), (2405, 21409), (2923, 17615), (3523, 14615), (5135, 10027)]