9890132

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{839}}^1$

素因数の和:1271

約数の個数: 24

約数和(自身を含む): 19850880

約数和(自身を除く): 9960748

約数列:

[1, 2, 4, 7, 14, 28, 421, 839, 842, 1678, 1684, 2947, 3356, 5873, 5894, 11746, 11788, 23492, 353219, 706438, 1412876, 2472533, 4945066, 9890132]

約数ペア:

[(1, 9890132), (2, 4945066), (4, 2472533), (7, 1412876), (14, 706438), (28, 353219), (421, 23492), (839, 11788), (842, 11746), (1678, 5894), (1684, 5873), (2947, 3356)]