81615358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{28319}}^1$

素因数の和:28463

約数の個数: 16

約数和(自身を含む): 134576640

約数和(自身を除く): 52961282

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 28319, 56638, 311509, 623018, 3709789, 7419578, 40807679, 81615358]

約数ペア:

[(1, 81615358), (2, 40807679), (11, 7419578), (22, 3709789), (131, 623018), (262, 311509), (1441, 56638), (2882, 28319)]