28199172

素因数分解:

$2^2\times 3^1\times {\mathrm{109}}^1\times {\mathrm{21559}}^1$

素因数の和:21675

約数の個数: 24

約数和(自身を含む): 66404800

約数和(自身を除く): 38205628

約数列:

[1, 2, 3, 4, 6, 12, 109, 218, 327, 436, 654, 1308, 21559, 43118, 64677, 86236, 129354, 258708, 2349931, 4699862, 7049793, 9399724, 14099586, 28199172]

約数ペア:

[(1, 28199172), (2, 14099586), (3, 9399724), (4, 7049793), (6, 4699862), (12, 2349931), (109, 258708), (218, 129354), (327, 86236), (436, 64677), (654, 43118), (1308, 21559)]