213520970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{2087}}^1$

素因数の和:2894

約数の個数: 32

約数和(自身を含む): 414626688

約数和(自身を除く): 201105718

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 787, 1574, 2087, 3935, 4174, 7870, 10231, 10435, 20462, 20870, 27131, 51155, 54262, 102310, 135655, 271310, 1642469, 3284938, 8212345, 16424690, 21352097, 42704194, 106760485, 213520970]

約数ペア:

[(1, 213520970), (2, 106760485), (5, 42704194), (10, 21352097), (13, 16424690), (26, 8212345), (65, 3284938), (130, 1642469), (787, 271310), (1574, 135655), (2087, 102310), (3935, 54262), (4174, 51155), (7870, 27131), (10231, 20870), (10435, 20462)]