28478114786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2647}}^1\times {\mathrm{13217}}^1$

素因数の和:15914

約数の個数: 32

約数和(自身を含む): 47881729152

約数和(自身を除く): 19403614366

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 2647, 5294, 13217, 26434, 29117, 58234, 97939, 145387, 195878, 290774, 489029, 978058, 1077329, 2154658, 5379319, 10758638, 34985399, 69970798, 384839389, 769678778, 1294459763, 2588919526, 14239057393, 28478114786]

約数ペア:

[(1, 28478114786), (2, 14239057393), (11, 2588919526), (22, 1294459763), (37, 769678778), (74, 384839389), (407, 69970798), (814, 34985399), (2647, 10758638), (5294, 5379319), (13217, 2154658), (26434, 1077329), (29117, 978058), (58234, 489029), (97939, 290774), (145387, 195878)]