15987196

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{4159}}^1$

素因数の和:4225

約数の個数: 18

約数和(自身を含む): 28916160

約数和(自身を除く): 12928964

約数列:

[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 4159, 8318, 16636, 128929, 257858, 515716, 3996799, 7993598, 15987196]

約数ペア:

[(1, 15987196), (2, 7993598), (4, 3996799), (31, 515716), (62, 257858), (124, 128929), (961, 16636), (1922, 8318), (3844, 4159)]