31451648

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1372

約数の個数: 40

約数和(自身を含む): 64228032

約数和(自身を除く): 32776384

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 512, 752, 1307, 1504, 2614, 3008, 5228, 6016, 10456, 12032, 20912, 24064, 41824, 61429, 83648, 122858, 167296, 245716, 334592, 491432, 669184, 982864, 1965728, 3931456, 7862912, 15725824, 31451648]

約数ペア:

[(1, 31451648), (2, 15725824), (4, 7862912), (8, 3931456), (16, 1965728), (32, 982864), (47, 669184), (64, 491432), (94, 334592), (128, 245716), (188, 167296), (256, 122858), (376, 83648), (512, 61429), (752, 41824), (1307, 24064), (1504, 20912), (2614, 12032), (3008, 10456), (5228, 6016)]