128991005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{809}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 182891520

約数和(自身を除く): 53900515

約数列:

[1, 5, 11, 13, 55, 65, 143, 223, 715, 809, 1115, 2453, 2899, 4045, 8899, 10517, 12265, 14495, 31889, 44495, 52585, 115687, 159445, 180407, 578435, 902035, 1984477, 2345291, 9922385, 11726455, 25798201, 128991005]

約数ペア:

[(1, 128991005), (5, 25798201), (11, 11726455), (13, 9922385), (55, 2345291), (65, 1984477), (143, 902035), (223, 578435), (715, 180407), (809, 159445), (1115, 115687), (2453, 52585), (2899, 44495), (4045, 31889), (8899, 14495), (10517, 12265)]