140708449

素因数分解:

$7^2\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 167707680

約数和(自身を除く): 26999231

約数列:

[1, 7, 49, 73, 139, 283, 511, 973, 1981, 3577, 6811, 10147, 13867, 20659, 39337, 71029, 144613, 275359, 497203, 1012291, 1927513, 2871601, 20101207, 140708449]

約数ペア:

[(1, 140708449), (7, 20101207), (49, 2871601), (73, 1927513), (139, 1012291), (283, 497203), (511, 275359), (973, 144613), (1981, 71029), (3577, 39337), (6811, 20659), (10147, 13867)]