78420244

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{17839}}^1$

素因数の和:18007

約数の個数: 24

約数和(自身を含む): 157848320

約数和(自身を除く): 79428076

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 17839, 35678, 71356, 124873, 249746, 499492, 2800723, 5601446, 11202892, 19605061, 39210122, 78420244]

約数ペア:

[(1, 78420244), (2, 39210122), (4, 19605061), (7, 11202892), (14, 5601446), (28, 2800723), (157, 499492), (314, 249746), (628, 124873), (1099, 71356), (2198, 35678), (4396, 17839)]