2005128894

素因数分解:

$2^1\times 3^1\times {\mathrm{4999}}^1\times {\mathrm{66851}}^1$

素因数の和:71855

約数の個数: 16

約数和(自身を含む): 4011120000

約数和(自身を除く): 2005991106

約数列:

[1, 2, 3, 6, 4999, 9998, 14997, 29994, 66851, 133702, 200553, 401106, 334188149, 668376298, 1002564447, 2005128894]

約数ペア:

[(1, 2005128894), (2, 1002564447), (3, 668376298), (6, 334188149), (4999, 401106), (9998, 200553), (14997, 133702), (29994, 66851)]