215518236

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{417671}}^1$

素因数の和:417721

約数の個数: 24

約数和(自身を含む): 514571904

約数和(自身を除く): 299053668

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 417671, 835342, 1253013, 1670684, 2506026, 5012052, 17959853, 35919706, 53879559, 71839412, 107759118, 215518236]

約数ペア:

[(1, 215518236), (2, 107759118), (3, 71839412), (4, 53879559), (6, 35919706), (12, 17959853), (43, 5012052), (86, 2506026), (129, 1670684), (172, 1253013), (258, 835342), (516, 417671)]