15661779994

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1\times {\mathrm{719}}^1$

素因数の和:1183

約数の個数: 64

約数和(自身を含む): 27843056640

約数和(自身を除く): 12181276646

約数列:

[1, 2, 7, 14, 41, 82, 137, 274, 277, 287, 554, 574, 719, 959, 1438, 1918, 1939, 3878, 5033, 5617, 10066, 11234, 11357, 22714, 29479, 37949, 39319, 58958, 75898, 78638, 79499, 98503, 158998, 197006, 199163, 206353, 265643, 398326, 412706, 531286, 689521, 1379042, 1394141, 1555909, 2788282, 3111818, 4038623, 8077246, 8165683, 10891363, 16331366, 21782726, 27285331, 28270361, 54570662, 56540722, 57159781, 114319562, 190997317, 381994634, 1118698571, 2237397142, 7830889997, 15661779994]

約数ペア:

[(1, 15661779994), (2, 7830889997), (7, 2237397142), (14, 1118698571), (41, 381994634), (82, 190997317), (137, 114319562), (274, 57159781), (277, 56540722), (287, 54570662), (554, 28270361), (574, 27285331), (719, 21782726), (959, 16331366), (1438, 10891363), (1918, 8165683), (1939, 8077246), (3878, 4038623), (5033, 3111818), (5617, 2788282), (10066, 1555909), (11234, 1394141), (11357, 1379042), (22714, 689521), (29479, 531286), (37949, 412706), (39319, 398326), (58958, 265643), (75898, 206353), (78638, 199163), (79499, 197006), (98503, 158998)]