201051268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 392878080

約数和(自身を除く): 191826812

約数列:

[1, 2, 4, 11, 22, 44, 71, 139, 142, 278, 284, 463, 556, 781, 926, 1529, 1562, 1852, 3058, 3124, 5093, 6116, 9869, 10186, 19738, 20372, 32873, 39476, 64357, 65746, 108559, 128714, 131492, 217118, 257428, 361603, 434236, 707927, 723206, 1415854, 1446412, 2831708, 4569347, 9138694, 18277388, 50262817, 100525634, 201051268]

約数ペア:

[(1, 201051268), (2, 100525634), (4, 50262817), (11, 18277388), (22, 9138694), (44, 4569347), (71, 2831708), (139, 1446412), (142, 1415854), (278, 723206), (284, 707927), (463, 434236), (556, 361603), (781, 257428), (926, 217118), (1529, 131492), (1562, 128714), (1852, 108559), (3058, 65746), (3124, 64357), (5093, 39476), (6116, 32873), (9869, 20372), (10186, 19738)]