128588

素因数分解:

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

素因数の和:113

約数の個数: 24

約数和(自身を含む): 249984

約数和(自身を除く): 121396

約数列:

[1, 2, 4, 17, 31, 34, 61, 62, 68, 122, 124, 244, 527, 1037, 1054, 1891, 2074, 2108, 3782, 4148, 7564, 32147, 64294, 128588]

約数ペア:

[(1, 128588), (2, 64294), (4, 32147), (17, 7564), (31, 4148), (34, 3782), (61, 2108), (62, 2074), (68, 1891), (122, 1054), (124, 1037), (244, 527)]