81903130

素因数分解:

$2^1\times 5^1\times {\mathrm{2213}}^1\times {\mathrm{3701}}^1$

素因数の和:5921

約数の個数: 16

約数和(自身を含む): 147532104

約数和(自身を除く): 65628974

約数列:

[1, 2, 5, 10, 2213, 3701, 4426, 7402, 11065, 18505, 22130, 37010, 8190313, 16380626, 40951565, 81903130]

約数ペア:

[(1, 81903130), (2, 40951565), (5, 16380626), (10, 8190313), (2213, 37010), (3701, 22130), (4426, 18505), (7402, 11065)]