1806404782

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{907}}^1$

素因数の和:1313

約数の個数: 64

約数和(自身を含む): 3456036864

約数和(自身を除く): 1649632082

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 353, 403, 434, 706, 806, 907, 1814, 2471, 2821, 4589, 4942, 5642, 6349, 9178, 10943, 11791, 12698, 21886, 23582, 28117, 32123, 56234, 64246, 76601, 82537, 142259, 153202, 165074, 196819, 284518, 320171, 365521, 393638, 640342, 731042, 995813, 1991626, 2241197, 2558647, 4162223, 4482394, 5117294, 8324446, 9925301, 19850602, 29135561, 58271122, 69477107, 129028913, 138954214, 258057826, 903202391, 1806404782]

約数ペア:

[(1, 1806404782), (2, 903202391), (7, 258057826), (13, 138954214), (14, 129028913), (26, 69477107), (31, 58271122), (62, 29135561), (91, 19850602), (182, 9925301), (217, 8324446), (353, 5117294), (403, 4482394), (434, 4162223), (706, 2558647), (806, 2241197), (907, 1991626), (1814, 995813), (2471, 731042), (2821, 640342), (4589, 393638), (4942, 365521), (5642, 320171), (6349, 284518), (9178, 196819), (10943, 165074), (11791, 153202), (12698, 142259), (21886, 82537), (23582, 76601), (28117, 64246), (32123, 56234)]