28168938

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{74521}}^1$

素因数の和:74539

約数の個数: 32

約数和(自身を含む): 71541120

約数和(自身を除く): 43372182

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 74521, 149042, 223563, 447126, 521647, 670689, 1043294, 1341378, 1564941, 2012067, 3129882, 4024134, 4694823, 9389646, 14084469, 28168938]

約数ペア:

[(1, 28168938), (2, 14084469), (3, 9389646), (6, 4694823), (7, 4024134), (9, 3129882), (14, 2012067), (18, 1564941), (21, 1341378), (27, 1043294), (42, 670689), (54, 521647), (63, 447126), (126, 223563), (189, 149042), (378, 74521)]