90956789

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:111

約数の個数: 54

約数和(自身を含む): 125768790

約数和(自身を除く): 34812001

約数列:

[1, 7, 11, 23, 29, 49, 77, 121, 161, 203, 253, 319, 529, 539, 667, 847, 1127, 1421, 1771, 2233, 2783, 3509, 3703, 4669, 5819, 5929, 7337, 12397, 15341, 15631, 19481, 24563, 25921, 32683, 40733, 51359, 64009, 80707, 107387, 136367, 168751, 171941, 285131, 359513, 448063, 564949, 751709, 1181257, 1856261, 3136441, 3954643, 8268799, 12993827, 90956789]

約数ペア:

[(1, 90956789), (7, 12993827), (11, 8268799), (23, 3954643), (29, 3136441), (49, 1856261), (77, 1181257), (121, 751709), (161, 564949), (203, 448063), (253, 359513), (319, 285131), (529, 171941), (539, 168751), (667, 136367), (847, 107387), (1127, 80707), (1421, 64009), (1771, 51359), (2233, 40733), (2783, 32683), (3509, 25921), (3703, 24563), (4669, 19481), (5819, 15631), (5929, 15341), (7337, 12397)]