81373732

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 168981120

約数和(自身を除く): 87607388

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 47, 76, 94, 109, 188, 209, 218, 361, 418, 436, 517, 722, 836, 893, 1034, 1199, 1444, 1786, 2068, 2071, 2398, 3572, 3971, 4142, 4796, 5123, 7942, 8284, 9823, 10246, 15884, 16967, 19646, 20492, 22781, 33934, 39292, 39349, 45562, 56353, 67868, 78698, 91124, 97337, 112706, 157396, 186637, 194674, 225412, 373274, 389348, 432839, 746548, 865678, 1070707, 1731356, 1849403, 2141414, 3698806, 4282828, 7397612, 20343433, 40686866, 81373732]

約数ペア:

[(1, 81373732), (2, 40686866), (4, 20343433), (11, 7397612), (19, 4282828), (22, 3698806), (38, 2141414), (44, 1849403), (47, 1731356), (76, 1070707), (94, 865678), (109, 746548), (188, 432839), (209, 389348), (218, 373274), (361, 225412), (418, 194674), (436, 186637), (517, 157396), (722, 112706), (836, 97337), (893, 91124), (1034, 78698), (1199, 67868), (1444, 56353), (1786, 45562), (2068, 39349), (2071, 39292), (2398, 33934), (3572, 22781), (3971, 20492), (4142, 19646), (4796, 16967), (5123, 15884), (7942, 10246), (8284, 9823)]