31871305565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{401}}^1\times {\mathrm{4003}}^1$

素因数の和:4458

約数の個数: 48

約数和(自身を含む): 44154766656

約数和(自身を除く): 12283461091

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 401, 1045, 1805, 2005, 3971, 4003, 4411, 7619, 19855, 20015, 22055, 38095, 44033, 76057, 83809, 144761, 220165, 380285, 419045, 723805, 836627, 1445083, 1592371, 1605203, 4183135, 7225415, 7961855, 8026015, 15895913, 17657233, 30498857, 79479565, 88286165, 152494285, 335487427, 579478283, 1677437135, 2897391415, 6374261113, 31871305565]

約数ペア:

[(1, 31871305565), (5, 6374261113), (11, 2897391415), (19, 1677437135), (55, 579478283), (95, 335487427), (209, 152494285), (361, 88286165), (401, 79479565), (1045, 30498857), (1805, 17657233), (2005, 15895913), (3971, 8026015), (4003, 7961855), (4411, 7225415), (7619, 4183135), (19855, 1605203), (20015, 1592371), (22055, 1445083), (38095, 836627), (44033, 723805), (76057, 419045), (83809, 380285), (144761, 220165)]