828397745

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{221201}}^1$

素因数の和:221320

約数の個数: 16

約数和(自身を含む): 1146711168

約数和(自身を除く): 318313423

約数列:

[1, 5, 7, 35, 107, 535, 749, 3745, 221201, 1106005, 1548407, 7742035, 23668507, 118342535, 165679549, 828397745]

約数ペア:

[(1, 828397745), (5, 165679549), (7, 118342535), (35, 23668507), (107, 7742035), (535, 1548407), (749, 1106005), (3745, 221201)]