1990304315

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{1871}}^1\times {\mathrm{6863}}^1$

素因数の和:8770

約数の個数: 16

約数和(自身を含む): 2467086336

約数和(自身を除く): 476782021

約数列:

[1, 5, 31, 155, 1871, 6863, 9355, 34315, 58001, 212753, 290005, 1063765, 12840673, 64203365, 398060863, 1990304315]

約数ペア:

[(1, 1990304315), (5, 398060863), (31, 64203365), (155, 12840673), (1871, 1063765), (6863, 290005), (9355, 212753), (34315, 58001)]