161984210

素因数分解:

$2^1\times 5^1\times {\mathrm{1901}}^1\times {\mathrm{8521}}^1$

素因数の和:10429

約数の個数: 16

約数和(自身を含む): 291759192

約数和(自身を除く): 129774982

約数列:

[1, 2, 5, 10, 1901, 3802, 8521, 9505, 17042, 19010, 42605, 85210, 16198421, 32396842, 80992105, 161984210]

約数ペア:

[(1, 161984210), (2, 80992105), (5, 32396842), (10, 16198421), (1901, 85210), (3802, 42605), (8521, 19010), (9505, 17042)]