209794732

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{12721}}^1$

素因数の和:12782

約数の個数: 48

約数和(自身を含む): 455956480

約数和(自身を除く): 246161748

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 2356, 4123, 8246, 12721, 16492, 25442, 50884, 89047, 178094, 241699, 356188, 394351, 483398, 788702, 966796, 1577404, 1691893, 2760457, 3383786, 5520914, 6767572, 7492669, 11041828, 14985338, 29970676, 52448683, 104897366, 209794732]

約数ペア:

[(1, 209794732), (2, 104897366), (4, 52448683), (7, 29970676), (14, 14985338), (19, 11041828), (28, 7492669), (31, 6767572), (38, 5520914), (62, 3383786), (76, 2760457), (124, 1691893), (133, 1577404), (217, 966796), (266, 788702), (434, 483398), (532, 394351), (589, 356188), (868, 241699), (1178, 178094), (2356, 89047), (4123, 50884), (8246, 25442), (12721, 16492)]