64780595864

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1\times {\mathrm{1021}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 123550479360

約数和(自身を除く): 58769883496

約数列:

[1, 2, 4, 8, 127, 197, 254, 317, 394, 508, 634, 788, 1016, 1021, 1268, 1576, 2042, 2536, 4084, 8168, 25019, 40259, 50038, 62449, 80518, 100076, 124898, 129667, 161036, 200152, 201137, 249796, 259334, 322072, 323657, 402274, 499592, 518668, 647314, 804548, 1037336, 1294628, 1609096, 2589256, 7931023, 15862046, 25544399, 31724092, 41104439, 51088798, 63448184, 63760429, 82208878, 102177596, 127520858, 164417756, 204355192, 255041716, 328835512, 510083432, 8097574483, 16195148966, 32390297932, 64780595864]

約数ペア:

[(1, 64780595864), (2, 32390297932), (4, 16195148966), (8, 8097574483), (127, 510083432), (197, 328835512), (254, 255041716), (317, 204355192), (394, 164417756), (508, 127520858), (634, 102177596), (788, 82208878), (1016, 63760429), (1021, 63448184), (1268, 51088798), (1576, 41104439), (2042, 31724092), (2536, 25544399), (4084, 15862046), (8168, 7931023), (25019, 2589256), (40259, 1609096), (50038, 1294628), (62449, 1037336), (80518, 804548), (100076, 647314), (124898, 518668), (129667, 499592), (161036, 402274), (200152, 323657), (201137, 322072), (249796, 259334)]