28705264

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1301}}^1$

素因数の和:1513

約数の個数: 40

約数和(自身を含む): 63933408

約数和(自身を除く): 35228144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 1301, 1379, 1576, 2602, 2758, 3152, 5204, 5516, 9107, 10408, 11032, 18214, 20816, 22064, 36428, 72856, 145712, 256297, 512594, 1025188, 1794079, 2050376, 3588158, 4100752, 7176316, 14352632, 28705264]

約数ペア:

[(1, 28705264), (2, 14352632), (4, 7176316), (7, 4100752), (8, 3588158), (14, 2050376), (16, 1794079), (28, 1025188), (56, 512594), (112, 256297), (197, 145712), (394, 72856), (788, 36428), (1301, 22064), (1379, 20816), (1576, 18214), (2602, 11032), (2758, 10408), (3152, 9107), (5204, 5516)]