13489645

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 18385920

約数和(自身を除く): 4896275

約数列:

[1, 5, 13, 37, 65, 71, 79, 185, 355, 395, 481, 923, 1027, 2405, 2627, 2923, 4615, 5135, 5609, 13135, 14615, 28045, 34151, 37999, 72917, 170755, 189995, 207533, 364585, 1037665, 2697929, 13489645]

約数ペア:

[(1, 13489645), (5, 2697929), (13, 1037665), (37, 364585), (65, 207533), (71, 189995), (79, 170755), (185, 72917), (355, 37999), (395, 34151), (481, 28045), (923, 14615), (1027, 13135), (2405, 5609), (2627, 5135), (2923, 4615)]