127711208

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{4211}}^1$

素因数の和:4457

約数の個数: 32

約数和(自身を含む): 254741760

約数和(自身を除く): 127030552

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 223, 446, 892, 1784, 3791, 4211, 7582, 8422, 15164, 16844, 30328, 33688, 71587, 143174, 286348, 572696, 939053, 1878106, 3756212, 7512424, 15963901, 31927802, 63855604, 127711208]

約数ペア:

[(1, 127711208), (2, 63855604), (4, 31927802), (8, 15963901), (17, 7512424), (34, 3756212), (68, 1878106), (136, 939053), (223, 572696), (446, 286348), (892, 143174), (1784, 71587), (3791, 33688), (4211, 30328), (7582, 16844), (8422, 15164)]