181508210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1396217}}^1$

素因数の和:1396237

約数の個数: 16

約数和(自身を含む): 351846936

約数和(自身を除く): 170338726

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1396217, 2792434, 6981085, 13962170, 18150821, 36301642, 90754105, 181508210]

約数ペア:

[(1, 181508210), (2, 90754105), (5, 36301642), (10, 18150821), (13, 13962170), (26, 6981085), (65, 2792434), (130, 1396217)]