138205172

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{290347}}^1$

素因数の和:290375

約数の個数: 24

約数和(自身を含む): 292670784

約数和(自身を除く): 154465612

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 290347, 580694, 1161388, 2032429, 4064858, 4935899, 8129716, 9871798, 19743596, 34551293, 69102586, 138205172]

約数ペア:

[(1, 138205172), (2, 69102586), (4, 34551293), (7, 19743596), (14, 9871798), (17, 8129716), (28, 4935899), (34, 4064858), (68, 2032429), (119, 1161388), (238, 580694), (476, 290347)]