40870366

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1\times {\mathrm{643}}^1$

素因数の和:1227

約数の個数: 16

約数和(自身を含む): 62527248

約数和(自身を除く): 21656882

約数列:

[1, 2, 61, 122, 521, 643, 1042, 1286, 31781, 39223, 63562, 78446, 335003, 670006, 20435183, 40870366]

約数ペア:

[(1, 40870366), (2, 20435183), (61, 670006), (122, 335003), (521, 78446), (643, 63562), (1042, 39223), (1286, 31781)]