208446544

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{146381}}^1$

素因数の和:146478

約数の個数: 20

約数和(自身を含む): 408405780

約数和(自身を除く): 199959236

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 146381, 292762, 585524, 1171048, 2342096, 13027909, 26055818, 52111636, 104223272, 208446544]

約数ペア:

[(1, 208446544), (2, 104223272), (4, 52111636), (8, 26055818), (16, 13027909), (89, 2342096), (178, 1171048), (356, 585524), (712, 292762), (1424, 146381)]