40219921

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2843}}^1$

素因数の和:2940

約数の個数: 16

約数和(自身を含む): 48052224

約数和(自身を除く): 7832303

約数列:

[1, 7, 43, 47, 301, 329, 2021, 2843, 14147, 19901, 122249, 133621, 855743, 935347, 5745703, 40219921]

約数ペア:

[(1, 40219921), (7, 5745703), (43, 935347), (47, 855743), (301, 133621), (329, 122249), (2021, 19901), (2843, 14147)]