31234984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20879}}^1$

素因数の和:20913

約数の個数: 32

約数和(自身を含む): 67651200

約数和(自身を除く): 36416216

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 20879, 41758, 83516, 167032, 229669, 354943, 459338, 709886, 918676, 1419772, 1837352, 2839544, 3904373, 7808746, 15617492, 31234984]

約数ペア:

[(1, 31234984), (2, 15617492), (4, 7808746), (8, 3904373), (11, 2839544), (17, 1837352), (22, 1419772), (34, 918676), (44, 709886), (68, 459338), (88, 354943), (136, 229669), (187, 167032), (374, 83516), (748, 41758), (1496, 20879)]