81767408

素因数分解:

$2^4\times {\mathrm{1571}}^1\times {\mathrm{3253}}^1$

素因数の和:4832

約数の個数: 20

約数和(自身を含む): 158573928

約数和(自身を除く): 76806520

約数列:

[1, 2, 4, 8, 16, 1571, 3142, 3253, 6284, 6506, 12568, 13012, 25136, 26024, 52048, 5110463, 10220926, 20441852, 40883704, 81767408]

約数ペア:

[(1, 81767408), (2, 40883704), (4, 20441852), (8, 10220926), (16, 5110463), (1571, 52048), (3142, 26024), (3253, 25136), (6284, 13012), (6506, 12568)]