28687456

素因数分解:

$2^5\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1543}}^1$

素因数の和:1643

約数の個数: 48

約数和(自身を含む): 65366784

約数和(自身を除く): 36679328

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 83, 112, 166, 224, 332, 581, 664, 1162, 1328, 1543, 2324, 2656, 3086, 4648, 6172, 9296, 10801, 12344, 18592, 21602, 24688, 43204, 49376, 86408, 128069, 172816, 256138, 345632, 512276, 896483, 1024552, 1792966, 2049104, 3585932, 4098208, 7171864, 14343728, 28687456]

約数ペア:

[(1, 28687456), (2, 14343728), (4, 7171864), (7, 4098208), (8, 3585932), (14, 2049104), (16, 1792966), (28, 1024552), (32, 896483), (56, 512276), (83, 345632), (112, 256138), (166, 172816), (224, 128069), (332, 86408), (581, 49376), (664, 43204), (1162, 24688), (1328, 21602), (1543, 18592), (2324, 12344), (2656, 10801), (3086, 9296), (4648, 6172)]