256265344

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 581644800

約数和(自身を除く): 325379456

約数列:

[1, 2, 4, 8, 16, 17, 29, 31, 32, 34, 58, 62, 64, 68, 116, 124, 128, 131, 136, 232, 248, 262, 272, 464, 493, 496, 524, 527, 544, 899, 928, 986, 992, 1048, 1054, 1088, 1798, 1856, 1972, 1984, 2096, 2108, 2176, 2227, 3596, 3712, 3799, 3944, 3968, 4061, 4192, 4216, 4454, 7192, 7598, 7888, 8122, 8384, 8432, 8908, 14384, 15196, 15283, 15776, 16244, 16768, 16864, 17816, 28768, 30392, 30566, 31552, 32488, 33728, 35632, 57536, 60784, 61132, 63104, 64583, 64976, 67456, 69037, 71264, 115072, 117769, 121568, 122264, 129166, 129952, 138074, 142528, 235538, 243136, 244528, 258332, 259904, 276148, 285056, 471076, 486272, 489056, 516664, 519808, 552296, 942152, 978112, 1033328, 1104592, 1884304, 1956224, 2002073, 2066656, 2209184, 3768608, 4004146, 4133312, 4418368, 7537216, 8008292, 8266624, 8836736, 15074432, 16016584, 32033168, 64066336, 128132672, 256265344]

約数ペア:

[(1, 256265344), (2, 128132672), (4, 64066336), (8, 32033168), (16, 16016584), (17, 15074432), (29, 8836736), (31, 8266624), (32, 8008292), (34, 7537216), (58, 4418368), (62, 4133312), (64, 4004146), (68, 3768608), (116, 2209184), (124, 2066656), (128, 2002073), (131, 1956224), (136, 1884304), (232, 1104592), (248, 1033328), (262, 978112), (272, 942152), (464, 552296), (493, 519808), (496, 516664), (524, 489056), (527, 486272), (544, 471076), (899, 285056), (928, 276148), (986, 259904), (992, 258332), (1048, 244528), (1054, 243136), (1088, 235538), (1798, 142528), (1856, 138074), (1972, 129952), (1984, 129166), (2096, 122264), (2108, 121568), (2176, 117769), (2227, 115072), (3596, 71264), (3712, 69037), (3799, 67456), (3944, 64976), (3968, 64583), (4061, 63104), (4192, 61132), (4216, 60784), (4454, 57536), (7192, 35632), (7598, 33728), (7888, 32488), (8122, 31552), (8384, 30566), (8432, 30392), (8908, 28768), (14384, 17816), (15196, 16864), (15283, 16768), (15776, 16244)]