257841408

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1380

約数の個数: 144

約数和(自身を含む): 781756416

約数和(自身を除く): 523915008

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 32, 33, 44, 46, 48, 64, 66, 69, 88, 92, 96, 128, 132, 138, 176, 184, 192, 253, 256, 264, 276, 352, 368, 384, 506, 528, 552, 704, 736, 759, 768, 1012, 1056, 1104, 1327, 1408, 1472, 1518, 2024, 2112, 2208, 2654, 2816, 2944, 3036, 3981, 4048, 4224, 4416, 5308, 5888, 6072, 7962, 8096, 8448, 8832, 10616, 12144, 14597, 15924, 16192, 17664, 21232, 24288, 29194, 30521, 31848, 32384, 42464, 43791, 48576, 58388, 61042, 63696, 64768, 84928, 87582, 91563, 97152, 116776, 122084, 127392, 169856, 175164, 183126, 194304, 233552, 244168, 254784, 335731, 339712, 350328, 366252, 467104, 488336, 509568, 671462, 700656, 732504, 934208, 976672, 1007193, 1019136, 1342924, 1401312, 1465008, 1868416, 1953344, 2014386, 2685848, 2802624, 2930016, 3736832, 3906688, 4028772, 5371696, 5605248, 5860032, 7813376, 8057544, 10743392, 11210496, 11720064, 16115088, 21486784, 23440128, 32230176, 42973568, 64460352, 85947136, 128920704, 257841408]

約数ペア:

[(1, 257841408), (2, 128920704), (3, 85947136), (4, 64460352), (6, 42973568), (8, 32230176), (11, 23440128), (12, 21486784), (16, 16115088), (22, 11720064), (23, 11210496), (24, 10743392), (32, 8057544), (33, 7813376), (44, 5860032), (46, 5605248), (48, 5371696), (64, 4028772), (66, 3906688), (69, 3736832), (88, 2930016), (92, 2802624), (96, 2685848), (128, 2014386), (132, 1953344), (138, 1868416), (176, 1465008), (184, 1401312), (192, 1342924), (253, 1019136), (256, 1007193), (264, 976672), (276, 934208), (352, 732504), (368, 700656), (384, 671462), (506, 509568), (528, 488336), (552, 467104), (704, 366252), (736, 350328), (759, 339712), (768, 335731), (1012, 254784), (1056, 244168), (1104, 233552), (1327, 194304), (1408, 183126), (1472, 175164), (1518, 169856), (2024, 127392), (2112, 122084), (2208, 116776), (2654, 97152), (2816, 91563), (2944, 87582), (3036, 84928), (3981, 64768), (4048, 63696), (4224, 61042), (4416, 58388), (5308, 48576), (5888, 43791), (6072, 42464), (7962, 32384), (8096, 31848), (8448, 30521), (8832, 29194), (10616, 24288), (12144, 21232), (14597, 17664), (15924, 16192)]