51120916

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 115026912

約数和(自身を除く): 63905996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 131, 154, 181, 196, 262, 308, 362, 524, 539, 724, 917, 1078, 1267, 1441, 1834, 1991, 2156, 2534, 2882, 3668, 3982, 5068, 5764, 6419, 7964, 8869, 10087, 12838, 13937, 17738, 20174, 23711, 25676, 27874, 35476, 40348, 47422, 55748, 70609, 94844, 97559, 141218, 165977, 195118, 260821, 282436, 331954, 390236, 521642, 663908, 1043284, 1161839, 1825747, 2323678, 3651494, 4647356, 7302988, 12780229, 25560458, 51120916]

約数ペア:

[(1, 51120916), (2, 25560458), (4, 12780229), (7, 7302988), (11, 4647356), (14, 3651494), (22, 2323678), (28, 1825747), (44, 1161839), (49, 1043284), (77, 663908), (98, 521642), (131, 390236), (154, 331954), (181, 282436), (196, 260821), (262, 195118), (308, 165977), (362, 141218), (524, 97559), (539, 94844), (724, 70609), (917, 55748), (1078, 47422), (1267, 40348), (1441, 35476), (1834, 27874), (1991, 25676), (2156, 23711), (2534, 20174), (2882, 17738), (3668, 13937), (3982, 12838), (5068, 10087), (5764, 8869), (6419, 7964)]