201718785521

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1\times {\mathrm{2819}}^1$

素因数の和:3710

約数の個数: 48

約数和(自身を含む): 240608491200

約数和(自身を除く): 38889705679

約数列:

[1, 11, 17, 43, 121, 187, 473, 731, 809, 2057, 2819, 5203, 8041, 8899, 13753, 31009, 34787, 47923, 88451, 97889, 121217, 151283, 341099, 382657, 527153, 591379, 1333387, 1664113, 2060689, 2280571, 4209227, 5798683, 6505169, 14667257, 22667579, 25086281, 38769707, 71556859, 98064553, 249343369, 275949091, 426466777, 1078710083, 1667097401, 4691134547, 11865810913, 18338071411, 201718785521]

約数ペア:

[(1, 201718785521), (11, 18338071411), (17, 11865810913), (43, 4691134547), (121, 1667097401), (187, 1078710083), (473, 426466777), (731, 275949091), (809, 249343369), (2057, 98064553), (2819, 71556859), (5203, 38769707), (8041, 25086281), (8899, 22667579), (13753, 14667257), (31009, 6505169), (34787, 5798683), (47923, 4209227), (88451, 2280571), (97889, 2060689), (121217, 1664113), (151283, 1333387), (341099, 591379), (382657, 527153)]