128400246

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{548719}}^1$

素因数の和:548740

約数の個数: 24

約数和(自身を含む): 299601120

約数和(自身を除く): 171200874

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 548719, 1097438, 1646157, 3292314, 4938471, 7133347, 9876942, 14266694, 21400041, 42800082, 64200123, 128400246]

約数ペア:

[(1, 128400246), (2, 64200123), (3, 42800082), (6, 21400041), (9, 14266694), (13, 9876942), (18, 7133347), (26, 4938471), (39, 3292314), (78, 1646157), (117, 1097438), (234, 548719)]