638961898

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{399851}}^1$

素因数の和:399917

約数の個数: 16

約数和(自身を含む): 1036416384

約数和(自身を除く): 397454486

約数列:

[1, 2, 17, 34, 47, 94, 799, 1598, 399851, 799702, 6797467, 13594934, 18792997, 37585994, 319480949, 638961898]

約数ペア:

[(1, 638961898), (2, 319480949), (17, 37585994), (34, 18792997), (47, 13594934), (94, 6797467), (799, 799702), (1598, 399851)]