138724916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{17419}}^1$

素因数の和:17615

約数の個数: 24

約数和(自身を含む): 266316960

約数和(自身を除く): 127592044

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 3982, 7964, 17419, 34838, 69676, 191609, 383218, 766436, 3152839, 6305678, 12611356, 34681229, 69362458, 138724916]

約数ペア:

[(1, 138724916), (2, 69362458), (4, 34681229), (11, 12611356), (22, 6305678), (44, 3152839), (181, 766436), (362, 383218), (724, 191609), (1991, 69676), (3982, 34838), (7964, 17419)]