201613885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 272245248

約数和(自身を除く): 70631363

約数列:

[1, 5, 11, 43, 55, 163, 215, 473, 523, 815, 1793, 2365, 2615, 5753, 7009, 8965, 22489, 28765, 35045, 77099, 85249, 112445, 247379, 385495, 426245, 937739, 1236895, 3665707, 4688695, 18328535, 40322777, 201613885]

約数ペア:

[(1, 201613885), (5, 40322777), (11, 18328535), (43, 4688695), (55, 3665707), (163, 1236895), (215, 937739), (473, 426245), (523, 385495), (815, 247379), (1793, 112445), (2365, 85249), (2615, 77099), (5753, 35045), (7009, 28765), (8965, 22489)]