55557145

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 78520320

約数和(自身を除く): 22963175

約数列:

[1, 5, 7, 35, 71, 79, 283, 355, 395, 497, 553, 1415, 1981, 2485, 2765, 5609, 9905, 20093, 22357, 28045, 39263, 100465, 111785, 140651, 156499, 196315, 703255, 782495, 1587347, 7936735, 11111429, 55557145]

約数ペア:

[(1, 55557145), (5, 11111429), (7, 7936735), (35, 1587347), (71, 782495), (79, 703255), (283, 196315), (355, 156499), (395, 140651), (497, 111785), (553, 100465), (1415, 39263), (1981, 28045), (2485, 22357), (2765, 20093), (5609, 9905)]