211671915455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{31727}}^1$

素因数の和:31837

約数の個数: 128

約数和(自身を含む): 360243265536

約数和(自身を除く): 148571350081

約数列:

[1, 5, 7, 11, 13, 31, 35, 43, 55, 65, 77, 91, 143, 155, 215, 217, 301, 341, 385, 403, 455, 473, 559, 715, 1001, 1085, 1333, 1505, 1705, 2015, 2365, 2387, 2795, 2821, 3311, 3913, 4433, 5005, 6149, 6665, 9331, 11935, 14105, 14663, 16555, 17329, 19565, 22165, 30745, 31031, 31727, 43043, 46655, 73315, 86645, 102641, 121303, 155155, 158635, 190619, 215215, 222089, 348997, 412451, 513205, 606515, 953095, 983537, 1110445, 1334333, 1364261, 1744985, 2062255, 2442979, 2887157, 4536961, 4917685, 6671665, 6821305, 6884759, 9549827, 10818907, 12214895, 12785981, 14435785, 15006871, 17735393, 22684805, 31758727, 34423795, 42292091, 47749135, 54094535, 63929905, 75034355, 75732349, 88676965, 89501867, 105048097, 124147751, 140645791, 158793635, 195089323, 211460455, 296044637, 378661745, 447509335, 465213001, 525240485, 549797183, 620738755, 703228955, 975446615, 984520537, 1365625261, 1480223185, 2326065005, 2748985915, 3256491007, 3848580281, 4922602685, 6047769013, 6828126305, 16282455035, 19242901405, 30238845065, 42334383091, 211671915455]

約数ペア:

[(1, 211671915455), (5, 42334383091), (7, 30238845065), (11, 19242901405), (13, 16282455035), (31, 6828126305), (35, 6047769013), (43, 4922602685), (55, 3848580281), (65, 3256491007), (77, 2748985915), (91, 2326065005), (143, 1480223185), (155, 1365625261), (215, 984520537), (217, 975446615), (301, 703228955), (341, 620738755), (385, 549797183), (403, 525240485), (455, 465213001), (473, 447509335), (559, 378661745), (715, 296044637), (1001, 211460455), (1085, 195089323), (1333, 158793635), (1505, 140645791), (1705, 124147751), (2015, 105048097), (2365, 89501867), (2387, 88676965), (2795, 75732349), (2821, 75034355), (3311, 63929905), (3913, 54094535), (4433, 47749135), (5005, 42292091), (6149, 34423795), (6665, 31758727), (9331, 22684805), (11935, 17735393), (14105, 15006871), (14663, 14435785), (16555, 12785981), (17329, 12214895), (19565, 10818907), (22165, 9549827), (30745, 6884759), (31031, 6821305), (31727, 6671665), (43043, 4917685), (46655, 4536961), (73315, 2887157), (86645, 2442979), (102641, 2062255), (121303, 1744985), (155155, 1364261), (158635, 1334333), (190619, 1110445), (215215, 983537), (222089, 953095), (348997, 606515), (412451, 513205)]