405690638

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{64621}}^1$

素因数の和:64739

約数の個数: 16

約数和(自身を含む): 631227696

約数和(自身を除く): 225537058

約数列:

[1, 2, 43, 73, 86, 146, 3139, 6278, 64621, 129242, 2778703, 4717333, 5557406, 9434666, 202845319, 405690638]

約数ペア:

[(1, 405690638), (2, 202845319), (43, 9434666), (73, 5557406), (86, 4717333), (146, 2778703), (3139, 129242), (6278, 64621)]