28199584

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^2\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 72

約数和(自身を含む): 66062304

約数和(自身を除く): 37862720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 131, 217, 224, 248, 262, 434, 496, 524, 868, 917, 961, 992, 1048, 1736, 1834, 1922, 2096, 3472, 3668, 3844, 4061, 4192, 6727, 6944, 7336, 7688, 8122, 13454, 14672, 15376, 16244, 26908, 28427, 29344, 30752, 32488, 53816, 56854, 64976, 107632, 113708, 125891, 129952, 215264, 227416, 251782, 454832, 503564, 881237, 909664, 1007128, 1762474, 2014256, 3524948, 4028512, 7049896, 14099792, 28199584]

約数ペア:

[(1, 28199584), (2, 14099792), (4, 7049896), (7, 4028512), (8, 3524948), (14, 2014256), (16, 1762474), (28, 1007128), (31, 909664), (32, 881237), (56, 503564), (62, 454832), (112, 251782), (124, 227416), (131, 215264), (217, 129952), (224, 125891), (248, 113708), (262, 107632), (434, 64976), (496, 56854), (524, 53816), (868, 32488), (917, 30752), (961, 29344), (992, 28427), (1048, 26908), (1736, 16244), (1834, 15376), (1922, 14672), (2096, 13454), (3472, 8122), (3668, 7688), (3844, 7336), (4061, 6944), (4192, 6727)]