220769185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{485207}}^1$

素因数の和:485232

約数の個数: 16

約数和(自身を含む): 326059776

約数和(自身を除く): 105290591

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 485207, 2426035, 3396449, 6307691, 16982245, 31538455, 44153837, 220769185]

約数ペア:

[(1, 220769185), (5, 44153837), (7, 31538455), (13, 16982245), (35, 6307691), (65, 3396449), (91, 2426035), (455, 485207)]