28647676

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{80471}}^1$

素因数の和:80564

約数の個数: 12

約数和(自身を含む): 50697360

約数和(自身を除く): 22049684

約数列:

[1, 2, 4, 89, 178, 356, 80471, 160942, 321884, 7161919, 14323838, 28647676]

約数ペア:

[(1, 28647676), (2, 14323838), (4, 7161919), (89, 321884), (178, 160942), (356, 80471)]