205284976

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 90

約数和(自身を含む): 450663120

約数和(自身を除く): 245378144

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 79, 104, 124, 158, 169, 208, 248, 316, 338, 403, 496, 632, 676, 806, 961, 1027, 1264, 1352, 1612, 1922, 2054, 2449, 2704, 3224, 3844, 4108, 4898, 5239, 6448, 7688, 8216, 9796, 10478, 12493, 13351, 15376, 16432, 19592, 20956, 24986, 26702, 31837, 39184, 41912, 49972, 53404, 63674, 75919, 83824, 99944, 106808, 127348, 151838, 162409, 199888, 213616, 254696, 303676, 324818, 413881, 509392, 607352, 649636, 827762, 986947, 1214704, 1299272, 1655524, 1973894, 2598544, 3311048, 3947788, 6622096, 7895576, 12830311, 15791152, 25660622, 51321244, 102642488, 205284976]

約数ペア:

[(1, 205284976), (2, 102642488), (4, 51321244), (8, 25660622), (13, 15791152), (16, 12830311), (26, 7895576), (31, 6622096), (52, 3947788), (62, 3311048), (79, 2598544), (104, 1973894), (124, 1655524), (158, 1299272), (169, 1214704), (208, 986947), (248, 827762), (316, 649636), (338, 607352), (403, 509392), (496, 413881), (632, 324818), (676, 303676), (806, 254696), (961, 213616), (1027, 199888), (1264, 162409), (1352, 151838), (1612, 127348), (1922, 106808), (2054, 99944), (2449, 83824), (2704, 75919), (3224, 63674), (3844, 53404), (4108, 49972), (4898, 41912), (5239, 39184), (6448, 31837), (7688, 26702), (8216, 24986), (9796, 20956), (10478, 19592), (12493, 16432), (13351, 15376)]