31391264

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 64012032

約数和(自身を除く): 32620768

約数列:

[1, 2, 4, 8, 16, 32, 53, 83, 106, 166, 212, 223, 332, 424, 446, 664, 848, 892, 1328, 1696, 1784, 2656, 3568, 4399, 7136, 8798, 11819, 17596, 18509, 23638, 35192, 37018, 47276, 70384, 74036, 94552, 140768, 148072, 189104, 296144, 378208, 592288, 980977, 1961954, 3923908, 7847816, 15695632, 31391264]

約数ペア:

[(1, 31391264), (2, 15695632), (4, 7847816), (8, 3923908), (16, 1961954), (32, 980977), (53, 592288), (83, 378208), (106, 296144), (166, 189104), (212, 148072), (223, 140768), (332, 94552), (424, 74036), (446, 70384), (664, 47276), (848, 37018), (892, 35192), (1328, 23638), (1696, 18509), (1784, 17596), (2656, 11819), (3568, 8798), (4399, 7136)]