28701728

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1217}}^1$

素因数の和:1305

約数の個数: 48

約数和(自身を含む): 62614944

約数和(自身を除く): 33913216

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 67, 88, 134, 176, 268, 352, 536, 737, 1072, 1217, 1474, 2144, 2434, 2948, 4868, 5896, 9736, 11792, 13387, 19472, 23584, 26774, 38944, 53548, 81539, 107096, 163078, 214192, 326156, 428384, 652312, 896929, 1304624, 1793858, 2609248, 3587716, 7175432, 14350864, 28701728]

約数ペア:

[(1, 28701728), (2, 14350864), (4, 7175432), (8, 3587716), (11, 2609248), (16, 1793858), (22, 1304624), (32, 896929), (44, 652312), (67, 428384), (88, 326156), (134, 214192), (176, 163078), (268, 107096), (352, 81539), (536, 53548), (737, 38944), (1072, 26774), (1217, 23584), (1474, 19472), (2144, 13387), (2434, 11792), (2948, 9736), (4868, 5896)]