991215407

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{45197}}^1$

素因数の和:45458

約数の個数: 16

約数和(自身を含む): 1225046592

約数和(自身を除く): 233831185

約数列:

[1, 7, 13, 91, 241, 1687, 3133, 21931, 45197, 316379, 587561, 4112927, 10892477, 76247339, 141602201, 991215407]

約数ペア:

[(1, 991215407), (7, 141602201), (13, 76247339), (91, 10892477), (241, 4112927), (1687, 587561), (3133, 316379), (21931, 45197)]