4000982

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:731

約数の個数: 16

約数和(自身を含む): 6360000

約数和(自身を除く): 2359018

約数列:

[1, 2, 19, 38, 211, 422, 499, 998, 4009, 8018, 9481, 18962, 105289, 210578, 2000491, 4000982]

約数ペア:

[(1, 4000982), (2, 2000491), (19, 210578), (38, 105289), (211, 18962), (422, 9481), (499, 8018), (998, 4009)]