7290218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 12531456

約数和(自身を除く): 5241238

約数列:

[1, 2, 13, 23, 26, 46, 73, 146, 167, 299, 334, 598, 949, 1679, 1898, 2171, 3358, 3841, 4342, 7682, 12191, 21827, 24382, 43654, 49933, 99866, 158483, 280393, 316966, 560786, 3645109, 7290218]

約数ペア:

[(1, 7290218), (2, 3645109), (13, 560786), (23, 316966), (26, 280393), (46, 158483), (73, 99866), (146, 49933), (167, 43654), (299, 24382), (334, 21827), (598, 12191), (949, 7682), (1679, 4342), (1898, 3841), (2171, 3358)]