221566007228

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{398500013}}^1$

素因数の和:398500156

約数の個数: 12

約数和(自身を含む): 390530013720

約数和(自身を除く): 168964006492

約数列:

[1, 2, 4, 139, 278, 556, 398500013, 797000026, 1594000052, 55391501807, 110783003614, 221566007228]

約数ペア:

[(1, 221566007228), (2, 110783003614), (4, 55391501807), (139, 1594000052), (278, 797000026), (556, 398500013)]