257176

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 32

約数和(自身を含む): 535680

約数和(自身を除く): 278504

約数列:

[1, 2, 4, 8, 17, 31, 34, 61, 62, 68, 122, 124, 136, 244, 248, 488, 527, 1037, 1054, 1891, 2074, 2108, 3782, 4148, 4216, 7564, 8296, 15128, 32147, 64294, 128588, 257176]

約数ペア:

[(1, 257176), (2, 128588), (4, 64294), (8, 32147), (17, 15128), (31, 8296), (34, 7564), (61, 4216), (62, 4148), (68, 3782), (122, 2108), (124, 2074), (136, 1891), (244, 1054), (248, 1037), (488, 527)]