81815264

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 168149520

約数和(自身を除く): 86334256

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 131, 232, 262, 464, 524, 673, 928, 1048, 1346, 2096, 2692, 3799, 4192, 5384, 7598, 10768, 15196, 19517, 21536, 30392, 39034, 60784, 78068, 88163, 121568, 156136, 176326, 312272, 352652, 624544, 705304, 1410608, 2556727, 2821216, 5113454, 10226908, 20453816, 40907632, 81815264]

約数ペア:

[(1, 81815264), (2, 40907632), (4, 20453816), (8, 10226908), (16, 5113454), (29, 2821216), (32, 2556727), (58, 1410608), (116, 705304), (131, 624544), (232, 352652), (262, 312272), (464, 176326), (524, 156136), (673, 121568), (928, 88163), (1048, 78068), (1346, 60784), (2096, 39034), (2692, 30392), (3799, 21536), (4192, 19517), (5384, 15196), (7598, 10768)]