347284

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 707840

約数和(自身を除く): 360556

約数列:

[1, 2, 4, 7, 14, 28, 79, 157, 158, 314, 316, 553, 628, 1099, 1106, 2198, 2212, 4396, 12403, 24806, 49612, 86821, 173642, 347284]

約数ペア:

[(1, 347284), (2, 173642), (4, 86821), (7, 49612), (14, 24806), (28, 12403), (79, 4396), (157, 2212), (158, 2198), (314, 1106), (316, 1099), (553, 628)]