128220464

素因数分解:

$2^4\times {\mathrm{31}}^3\times {\mathrm{269}}^1$

素因数の和:370

約数の個数: 40

約数和(自身を含む): 257662080

約数和(自身を除く): 129441616

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 269, 496, 538, 961, 1076, 1922, 2152, 3844, 4304, 7688, 8339, 15376, 16678, 29791, 33356, 59582, 66712, 119164, 133424, 238328, 258509, 476656, 517018, 1034036, 2068072, 4136144, 8013779, 16027558, 32055116, 64110232, 128220464]

約数ペア:

[(1, 128220464), (2, 64110232), (4, 32055116), (8, 16027558), (16, 8013779), (31, 4136144), (62, 2068072), (124, 1034036), (248, 517018), (269, 476656), (496, 258509), (538, 238328), (961, 133424), (1076, 119164), (1922, 66712), (2152, 59582), (3844, 33356), (4304, 29791), (7688, 16678), (8339, 15376)]