256419904

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7517}}^1$

素因数の和:7583

約数の個数: 56

約数和(自身を含む): 561414168

約数和(自身を除く): 304994264

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 164, 208, 328, 416, 533, 656, 832, 1066, 1312, 2132, 2624, 4264, 7517, 8528, 15034, 17056, 30068, 34112, 60136, 97721, 120272, 195442, 240544, 308197, 390884, 481088, 616394, 781768, 1232788, 1563536, 2465576, 3127072, 4006561, 4931152, 6254144, 8013122, 9862304, 16026244, 19724608, 32052488, 64104976, 128209952, 256419904]

約数ペア:

[(1, 256419904), (2, 128209952), (4, 64104976), (8, 32052488), (13, 19724608), (16, 16026244), (26, 9862304), (32, 8013122), (41, 6254144), (52, 4931152), (64, 4006561), (82, 3127072), (104, 2465576), (164, 1563536), (208, 1232788), (328, 781768), (416, 616394), (533, 481088), (656, 390884), (832, 308197), (1066, 240544), (1312, 195442), (2132, 120272), (2624, 97721), (4264, 60136), (7517, 34112), (8528, 30068), (15034, 17056)]