490468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 955584

約数和(自身を除く): 465116

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 157, 284, 314, 628, 781, 1562, 1727, 3124, 3454, 6908, 11147, 22294, 44588, 122617, 245234, 490468]

約数ペア:

[(1, 490468), (2, 245234), (4, 122617), (11, 44588), (22, 22294), (44, 11147), (71, 6908), (142, 3454), (157, 3124), (284, 1727), (314, 1562), (628, 781)]