291247256

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{6091}}^1$

素因数の和:6279

約数の個数: 32

約数和(自身を含む): 562900800

約数和(自身を除く): 271653544

約数列:

[1, 2, 4, 8, 43, 86, 139, 172, 278, 344, 556, 1112, 5977, 6091, 11954, 12182, 23908, 24364, 47816, 48728, 261913, 523826, 846649, 1047652, 1693298, 2095304, 3386596, 6773192, 36405907, 72811814, 145623628, 291247256]

約数ペア:

[(1, 291247256), (2, 145623628), (4, 72811814), (8, 36405907), (43, 6773192), (86, 3386596), (139, 2095304), (172, 1693298), (278, 1047652), (344, 846649), (556, 523826), (1112, 261913), (5977, 48728), (6091, 47816), (11954, 24364), (12182, 23908)]