347147956

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{300301}}^1$

素因数の和:300339

約数の個数: 18

約数和(自身を含む): 645348998

約数和(自身を除く): 298201042

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 300301, 600602, 1201204, 5105117, 10210234, 20420468, 86786989, 173573978, 347147956]

約数ペア:

[(1, 347147956), (2, 173573978), (4, 86786989), (17, 20420468), (34, 10210234), (68, 5105117), (289, 1201204), (578, 600602), (1156, 300301)]