668723072

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1327}}^1$

素因数の和:1499

約数の個数: 64

約数和(自身を含む): 1387069440

約数和(自身を除く): 718346368

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 248, 254, 496, 508, 992, 1016, 1327, 1984, 2032, 2654, 3937, 3968, 4064, 5308, 7874, 8128, 10616, 15748, 16256, 21232, 31496, 41137, 42464, 62992, 82274, 84928, 125984, 164548, 168529, 169856, 251968, 329096, 337058, 503936, 658192, 674116, 1316384, 1348232, 2632768, 2696464, 5224399, 5265536, 5392928, 10448798, 10785856, 20897596, 21571712, 41795192, 83590384, 167180768, 334361536, 668723072]

約数ペア:

[(1, 668723072), (2, 334361536), (4, 167180768), (8, 83590384), (16, 41795192), (31, 21571712), (32, 20897596), (62, 10785856), (64, 10448798), (124, 5392928), (127, 5265536), (128, 5224399), (248, 2696464), (254, 2632768), (496, 1348232), (508, 1316384), (992, 674116), (1016, 658192), (1327, 503936), (1984, 337058), (2032, 329096), (2654, 251968), (3937, 169856), (3968, 168529), (4064, 164548), (5308, 125984), (7874, 84928), (8128, 82274), (10616, 62992), (15748, 42464), (16256, 41137), (21232, 31496)]