28012612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1871}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 51891840

約数和(自身を除く): 23879228

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 1871, 3742, 3743, 7484, 7486, 14972, 35549, 71098, 142196, 368587, 737174, 1474348, 7003153, 14006306, 28012612]

約数ペア:

[(1, 28012612), (2, 14006306), (4, 7003153), (19, 1474348), (38, 737174), (76, 368587), (197, 142196), (394, 71098), (788, 35549), (1871, 14972), (3742, 7486), (3743, 7484)]