7788851917

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{647}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 10002859776

約数和(自身を除く): 2214007859

約数列:

[1, 7, 11, 61, 77, 121, 233, 427, 647, 671, 847, 1631, 2563, 4529, 4697, 7117, 7381, 14213, 17941, 28193, 39467, 49819, 51667, 78287, 99491, 150751, 156343, 197351, 276269, 434137, 548009, 1055257, 1094401, 1658261, 1719773, 3038959, 4775507, 9195811, 11607827, 12038411, 18240871, 33428549, 64370677, 101153921, 127686097, 708077447, 1112693131, 7788851917]

約数ペア:

[(1, 7788851917), (7, 1112693131), (11, 708077447), (61, 127686097), (77, 101153921), (121, 64370677), (233, 33428549), (427, 18240871), (647, 12038411), (671, 11607827), (847, 9195811), (1631, 4775507), (2563, 3038959), (4529, 1719773), (4697, 1658261), (7117, 1094401), (7381, 1055257), (14213, 548009), (17941, 434137), (28193, 276269), (39467, 197351), (49819, 156343), (51667, 150751), (78287, 99491)]