138574205

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{51419}}^1$

素因数の和:51449

約数の個数: 24

約数和(自身を含む): 211027680

約数和(自身を除く): 72453475

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 51419, 257095, 359933, 565609, 1799665, 2519531, 2828045, 3959263, 12597655, 19796315, 27714841, 138574205]

約数ペア:

[(1, 138574205), (5, 27714841), (7, 19796315), (11, 12597655), (35, 3959263), (49, 2828045), (55, 2519531), (77, 1799665), (245, 565609), (385, 359933), (539, 257095), (2695, 51419)]