338045264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1111991}}^1$

素因数の和:1112018

約数の個数: 20

約数和(自身を含む): 689435040

約数和(自身を除く): 351389776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1111991, 2223982, 4447964, 8895928, 17791856, 21127829, 42255658, 84511316, 169022632, 338045264]

約数ペア:

[(1, 338045264), (2, 169022632), (4, 84511316), (8, 42255658), (16, 21127829), (19, 17791856), (38, 8895928), (76, 4447964), (152, 2223982), (304, 1111991)]