81280454404

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1\times {\mathrm{2543}}^1$

素因数の和:3196

約数の個数: 48

約数和(自身を含む): 144602954496

約数和(自身を除く): 63322500092

約数列:

[1, 2, 4, 131, 181, 262, 337, 362, 524, 674, 724, 1348, 2543, 5086, 10172, 23711, 44147, 47422, 60997, 88294, 94844, 121994, 176588, 243988, 333133, 460283, 666266, 856991, 920566, 1332532, 1713982, 1841132, 3427964, 7990607, 15981214, 31962428, 60297073, 112265821, 120594146, 155115371, 224531642, 241188292, 310230742, 449063284, 620461484, 20320113601, 40640227202, 81280454404]

約数ペア:

[(1, 81280454404), (2, 40640227202), (4, 20320113601), (131, 620461484), (181, 449063284), (262, 310230742), (337, 241188292), (362, 224531642), (524, 155115371), (674, 120594146), (724, 112265821), (1348, 60297073), (2543, 31962428), (5086, 15981214), (10172, 7990607), (23711, 3427964), (44147, 1841132), (47422, 1713982), (60997, 1332532), (88294, 920566), (94844, 856991), (121994, 666266), (176588, 460283), (243988, 333133)]