81961198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{28439}}^1$

素因数の和:28583

約数の個数: 16

約数和(自身を含む): 135146880

約数和(自身を除く): 53185682

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 28439, 56878, 312829, 625658, 3725509, 7451018, 40980599, 81961198]

約数ペア:

[(1, 81961198), (2, 40980599), (11, 7451018), (22, 3725509), (131, 625658), (262, 312829), (1441, 56878), (2882, 28439)]