128520233681

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^2\times {\mathrm{307}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 156856820736

約数和(自身を除く): 28336587055

約数列:

[1, 7, 23, 67, 161, 197, 307, 469, 1379, 1541, 2149, 4531, 7061, 10787, 13199, 20569, 31717, 38809, 49427, 60479, 92393, 143983, 271663, 303577, 423353, 473087, 892607, 1391017, 2125039, 2600203, 3311609, 4052093, 6248249, 9737119, 11914363, 18201421, 28364651, 59804669, 83400541, 93198139, 274030349, 418632683, 652386973, 798262321, 1918212443, 5587836247, 18360033383, 128520233681]

約数ペア:

[(1, 128520233681), (7, 18360033383), (23, 5587836247), (67, 1918212443), (161, 798262321), (197, 652386973), (307, 418632683), (469, 274030349), (1379, 93198139), (1541, 83400541), (2149, 59804669), (4531, 28364651), (7061, 18201421), (10787, 11914363), (13199, 9737119), (20569, 6248249), (31717, 4052093), (38809, 3311609), (49427, 2600203), (60479, 2125039), (92393, 1391017), (143983, 892607), (271663, 473087), (303577, 423353)]