209521090

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1232477}}^1$

素因数の和:1232501

約数の個数: 16

約数和(自身を含む): 399322872

約数和(自身を除く): 189801782

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1232477, 2464954, 6162385, 12324770, 20952109, 41904218, 104760545, 209521090]

約数ペア:

[(1, 209521090), (2, 104760545), (5, 41904218), (10, 20952109), (17, 12324770), (34, 6162385), (85, 2464954), (170, 1232477)]