78815555

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2087}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 117863424

約数和(自身を除く): 39047869

約数列:

[1, 5, 7, 13, 35, 65, 83, 91, 415, 455, 581, 1079, 2087, 2905, 5395, 7553, 10435, 14609, 27131, 37765, 73045, 135655, 173221, 189917, 866105, 949585, 1212547, 2251873, 6062735, 11259365, 15763111, 78815555]

約数ペア:

[(1, 78815555), (5, 15763111), (7, 11259365), (13, 6062735), (35, 2251873), (65, 1212547), (83, 949585), (91, 866105), (415, 189917), (455, 173221), (581, 135655), (1079, 73045), (2087, 37765), (2905, 27131), (5395, 14609), (7553, 10435)]