209433965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{11149}}^1$

素因数の和:11201

約数の個数: 24

約数和(自身を含む): 287536200

約数和(自身を除く): 78102235

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 3757, 11149, 18785, 55745, 144937, 189533, 724685, 947665, 2463929, 3222061, 12319645, 16110305, 41886793, 209433965]

約数ペア:

[(1, 209433965), (5, 41886793), (13, 16110305), (17, 12319645), (65, 3222061), (85, 2463929), (221, 947665), (289, 724685), (1105, 189533), (1445, 144937), (3757, 55745), (11149, 18785)]