81414928

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 188559360

約数和(自身を除く): 107144432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 131, 179, 217, 248, 262, 358, 434, 496, 524, 716, 868, 917, 1048, 1253, 1432, 1736, 1834, 2096, 2506, 2864, 3472, 3668, 4061, 5012, 5549, 7336, 8122, 10024, 11098, 14672, 16244, 20048, 22196, 23449, 28427, 32488, 38843, 44392, 46898, 56854, 64976, 77686, 88784, 93796, 113708, 155372, 164143, 187592, 227416, 310744, 328286, 375184, 454832, 621488, 656572, 726919, 1313144, 1453838, 2626288, 2907676, 5088433, 5815352, 10176866, 11630704, 20353732, 40707464, 81414928]

約数ペア:

[(1, 81414928), (2, 40707464), (4, 20353732), (7, 11630704), (8, 10176866), (14, 5815352), (16, 5088433), (28, 2907676), (31, 2626288), (56, 1453838), (62, 1313144), (112, 726919), (124, 656572), (131, 621488), (179, 454832), (217, 375184), (248, 328286), (262, 310744), (358, 227416), (434, 187592), (496, 164143), (524, 155372), (716, 113708), (868, 93796), (917, 88784), (1048, 77686), (1253, 64976), (1432, 56854), (1736, 46898), (1834, 44392), (2096, 38843), (2506, 32488), (2864, 28427), (3472, 23449), (3668, 22196), (4061, 20048), (5012, 16244), (5549, 14672), (7336, 11098), (8122, 10024)]