212906945

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1\times {\mathrm{1409}}^1$

素因数の和:2104

約数の個数: 16

約数和(自身を含む): 261515520

約数和(自身を除く): 48608575

約数列:

[1, 5, 47, 235, 643, 1409, 3215, 7045, 30221, 66223, 151105, 331115, 905987, 4529935, 42581389, 212906945]

約数ペア:

[(1, 212906945), (5, 42581389), (47, 4529935), (235, 905987), (643, 331115), (1409, 151105), (3215, 66223), (7045, 30221)]