199554901

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{313273}}^1$

素因数の和:313300

約数の個数: 12

約数和(自身を含む): 249992652

約数和(自身を除く): 50437751

約数列:

[1, 7, 13, 49, 91, 637, 313273, 2192911, 4072549, 15350377, 28507843, 199554901]

約数ペア:

[(1, 199554901), (7, 28507843), (13, 15350377), (49, 4072549), (91, 2192911), (637, 313273)]