639799062

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{324113}}^1$

素因数の和:324172

約数の個数: 32

約数和(自身を含む): 1493517312

約数和(自身を除く): 853718250

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 94, 141, 282, 329, 658, 987, 1974, 324113, 648226, 972339, 1944678, 2268791, 4537582, 6806373, 13612746, 15233311, 30466622, 45699933, 91399866, 106633177, 213266354, 319899531, 639799062]

約数ペア:

[(1, 639799062), (2, 319899531), (3, 213266354), (6, 106633177), (7, 91399866), (14, 45699933), (21, 30466622), (42, 15233311), (47, 13612746), (94, 6806373), (141, 4537582), (282, 2268791), (329, 1944678), (658, 972339), (987, 648226), (1974, 324113)]