40940906

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:949

約数の個数: 16

約数和(自身を含む): 62203680

約数和(自身を除く): 21262774

約数列:

[1, 2, 131, 262, 307, 509, 614, 1018, 40217, 66679, 80434, 133358, 156263, 312526, 20470453, 40940906]

約数ペア:

[(1, 40940906), (2, 20470453), (131, 312526), (262, 156263), (307, 133358), (509, 80434), (614, 66679), (1018, 40217)]