389959219727

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1150217}}^1$

素因数の和:1150296

約数の個数: 48

約数和(自身を含む): 538136392608

約数和(自身を除く): 148177172881

約数列:

[1, 7, 11, 17, 37, 49, 77, 119, 187, 259, 407, 539, 629, 833, 1309, 1813, 2849, 4403, 6919, 9163, 19943, 30821, 48433, 339031, 1150217, 8051519, 12652387, 19553689, 42558029, 56360633, 88566709, 136875823, 215090579, 297906203, 468138319, 619966963, 723486493, 958130761, 1505634053, 2085343421, 3276968233, 5064405451, 7958351423, 10539438371, 22938777631, 35450838157, 55708459961, 389959219727]

約数ペア:

[(1, 389959219727), (7, 55708459961), (11, 35450838157), (17, 22938777631), (37, 10539438371), (49, 7958351423), (77, 5064405451), (119, 3276968233), (187, 2085343421), (259, 1505634053), (407, 958130761), (539, 723486493), (629, 619966963), (833, 468138319), (1309, 297906203), (1813, 215090579), (2849, 136875823), (4403, 88566709), (6919, 56360633), (9163, 42558029), (19943, 19553689), (30821, 12652387), (48433, 8051519), (339031, 1150217)]