28351268

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{3083}}^1$

素因数の和:3128

約数の個数: 36

約数和(自身を含む): 57424080

約数和(自身を除く): 29072812

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2299, 3083, 4598, 6166, 9196, 12332, 33913, 58577, 67826, 117154, 135652, 234308, 373043, 644347, 746086, 1288694, 1492172, 2577388, 7087817, 14175634, 28351268]

約数ペア:

[(1, 28351268), (2, 14175634), (4, 7087817), (11, 2577388), (19, 1492172), (22, 1288694), (38, 746086), (44, 644347), (76, 373043), (121, 234308), (209, 135652), (242, 117154), (418, 67826), (484, 58577), (836, 33913), (2299, 12332), (3083, 9196), (4598, 6166)]