641004018

素因数分解:

$2^1\times 3^1\times {\mathrm{2693}}^1\times {\mathrm{39671}}^1$

素因数の和:42369

約数の個数: 16

約数和(自身を含む): 1282516416

約数和(自身を除く): 641512398

約数列:

[1, 2, 3, 6, 2693, 5386, 8079, 16158, 39671, 79342, 119013, 238026, 106834003, 213668006, 320502009, 641004018]

約数ペア:

[(1, 641004018), (2, 320502009), (3, 213668006), (6, 106834003), (2693, 238026), (5386, 119013), (8079, 79342), (16158, 39671)]