261392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^2$

素因数の和:87

約数の個数: 30

約数和(自身を含む): 554094

約数和(自身を除く): 292702

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 961, 1054, 1922, 2108, 3844, 4216, 7688, 8432, 15376, 16337, 32674, 65348, 130696, 261392]

約数ペア:

[(1, 261392), (2, 130696), (4, 65348), (8, 32674), (16, 16337), (17, 15376), (31, 8432), (34, 7688), (62, 4216), (68, 3844), (124, 2108), (136, 1922), (248, 1054), (272, 961), (496, 527)]