990884

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 1833216

約数和(自身を除く): 842332

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 131, 244, 262, 524, 1891, 3782, 4061, 7564, 7991, 8122, 15982, 16244, 31964, 247721, 495442, 990884]

約数ペア:

[(1, 990884), (2, 495442), (4, 247721), (31, 31964), (61, 16244), (62, 15982), (122, 8122), (124, 7991), (131, 7564), (244, 4061), (262, 3782), (524, 1891)]