31215728

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:473

約数の個数: 40

約数和(自身を含む): 62312976

約数和(自身を除く): 31097248

約数列:

[1, 2, 4, 8, 16, 53, 106, 131, 212, 262, 281, 424, 524, 562, 848, 1048, 1124, 2096, 2248, 4496, 6943, 13886, 14893, 27772, 29786, 36811, 55544, 59572, 73622, 111088, 119144, 147244, 238288, 294488, 588976, 1950983, 3901966, 7803932, 15607864, 31215728]

約数ペア:

[(1, 31215728), (2, 15607864), (4, 7803932), (8, 3901966), (16, 1950983), (53, 588976), (106, 294488), (131, 238288), (212, 147244), (262, 119144), (281, 111088), (424, 73622), (524, 59572), (562, 55544), (848, 36811), (1048, 29786), (1124, 27772), (2096, 14893), (2248, 13886), (4496, 6943)]