28785978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{123017}}^1$

素因数の和:123038

約数の個数: 24

約数和(自身を含む): 67167828

約数和(自身を除く): 38381850

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 123017, 246034, 369051, 738102, 1107153, 1599221, 2214306, 3198442, 4797663, 9595326, 14392989, 28785978]

約数ペア:

[(1, 28785978), (2, 14392989), (3, 9595326), (6, 4797663), (9, 3198442), (13, 2214306), (18, 1599221), (26, 1107153), (39, 738102), (78, 369051), (117, 246034), (234, 123017)]