51262705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 68544000

約数和(自身を除く): 17281295

約数列:

[1, 5, 13, 65, 67, 79, 149, 335, 395, 745, 871, 1027, 1937, 4355, 5135, 5293, 9685, 9983, 11771, 26465, 49915, 58855, 68809, 129779, 153023, 344045, 648895, 765115, 788657, 3943285, 10252541, 51262705]

約数ペア:

[(1, 51262705), (5, 10252541), (13, 3943285), (65, 788657), (67, 765115), (79, 648895), (149, 344045), (335, 153023), (395, 129779), (745, 68809), (871, 58855), (1027, 49915), (1937, 26465), (4355, 11771), (5135, 9983), (5293, 9685)]