201322225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1217}}^1$

素因数の和:1749

約数の個数: 24

約数和(自身を含む): 269592120

約数和(自身を除く): 68269895

約数列:

[1, 5, 13, 25, 65, 325, 509, 1217, 2545, 6085, 6617, 12725, 15821, 30425, 33085, 79105, 165425, 395525, 619453, 3097265, 8052889, 15486325, 40264445, 201322225]

約数ペア:

[(1, 201322225), (5, 40264445), (13, 15486325), (25, 8052889), (65, 3097265), (325, 619453), (509, 395525), (1217, 165425), (2545, 79105), (6085, 33085), (6617, 30425), (12725, 15821)]