257842624

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:838

約数の個数: 84

約数和(自身を含む): 572658240

約数和(自身を除く): 314815616

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 169, 208, 248, 338, 403, 416, 496, 676, 769, 806, 832, 992, 1352, 1538, 1612, 1984, 2704, 3076, 3224, 5239, 5408, 6152, 6448, 9997, 10478, 10816, 12304, 12896, 19994, 20956, 23839, 24608, 25792, 39988, 41912, 47678, 49216, 79976, 83824, 95356, 129961, 159952, 167648, 190712, 259922, 309907, 319904, 335296, 381424, 519844, 619814, 639808, 762848, 1039688, 1239628, 1525696, 2079376, 2479256, 4028791, 4158752, 4958512, 8057582, 8317504, 9917024, 16115164, 19834048, 32230328, 64460656, 128921312, 257842624]

約数ペア:

[(1, 257842624), (2, 128921312), (4, 64460656), (8, 32230328), (13, 19834048), (16, 16115164), (26, 9917024), (31, 8317504), (32, 8057582), (52, 4958512), (62, 4158752), (64, 4028791), (104, 2479256), (124, 2079376), (169, 1525696), (208, 1239628), (248, 1039688), (338, 762848), (403, 639808), (416, 619814), (496, 519844), (676, 381424), (769, 335296), (806, 319904), (832, 309907), (992, 259922), (1352, 190712), (1538, 167648), (1612, 159952), (1984, 129961), (2704, 95356), (3076, 83824), (3224, 79976), (5239, 49216), (5408, 47678), (6152, 41912), (6448, 39988), (9997, 25792), (10478, 24608), (10816, 23839), (12304, 20956), (12896, 19994)]