28356493

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 7724147

約数列:

[1, 11, 17, 19, 23, 187, 209, 253, 323, 347, 391, 437, 3553, 3817, 4301, 4807, 5899, 6593, 7429, 7981, 64889, 72523, 81719, 87791, 112081, 135677, 151639, 1232891, 1492447, 1668029, 2577863, 28356493]

約数ペア:

[(1, 28356493), (11, 2577863), (17, 1668029), (19, 1492447), (23, 1232891), (187, 151639), (209, 135677), (253, 112081), (323, 87791), (347, 81719), (391, 72523), (437, 64889), (3553, 7981), (3817, 7429), (4301, 6593), (4807, 5899)]