81257624

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39217}}^1$

素因数の和:39267

約数の個数: 32

約数和(自身を含む): 178834080

約数和(自身を除く): 97576456

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 39217, 78434, 156868, 274519, 313736, 549038, 1098076, 1451029, 2196152, 2902058, 5804116, 10157203, 11608232, 20314406, 40628812, 81257624]

約数ペア:

[(1, 81257624), (2, 40628812), (4, 20314406), (7, 11608232), (8, 10157203), (14, 5804116), (28, 2902058), (37, 2196152), (56, 1451029), (74, 1098076), (148, 549038), (259, 313736), (296, 274519), (518, 156868), (1036, 78434), (2072, 39217)]