20166016871

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{28657}}^1$

素因数の和:28744

約数の個数: 64

約数和(自身を含む): 29272427520

約数和(自身を除く): 9106410649

約数列:

[1, 7, 11, 13, 19, 37, 77, 91, 133, 143, 209, 247, 259, 407, 481, 703, 1001, 1463, 1729, 2717, 2849, 3367, 4921, 5291, 7733, 9139, 19019, 28657, 37037, 54131, 63973, 100529, 200599, 315227, 372541, 544483, 703703, 1060309, 2206589, 2607787, 3811381, 4097951, 5989313, 7078279, 7422163, 11663399, 13784017, 20145871, 28685657, 41925191, 49547953, 77861069, 81643793, 96488119, 141021097, 151624187, 221604581, 261896323, 545027483, 1061369309, 1551232067, 1833274261, 2880859553, 20166016871]

約数ペア:

[(1, 20166016871), (7, 2880859553), (11, 1833274261), (13, 1551232067), (19, 1061369309), (37, 545027483), (77, 261896323), (91, 221604581), (133, 151624187), (143, 141021097), (209, 96488119), (247, 81643793), (259, 77861069), (407, 49547953), (481, 41925191), (703, 28685657), (1001, 20145871), (1463, 13784017), (1729, 11663399), (2717, 7422163), (2849, 7078279), (3367, 5989313), (4921, 4097951), (5291, 3811381), (7733, 2607787), (9139, 2206589), (19019, 1060309), (28657, 703703), (37037, 544483), (54131, 372541), (63973, 315227), (100529, 200599)]