1638331373

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{21649}}^1$

素因数の和:22244

約数の個数: 16

約数和(自身を含む): 1974480000

約数和(自身を除く): 336148627

約数列:

[1, 7, 19, 133, 569, 3983, 10811, 21649, 75677, 151543, 411331, 2879317, 12318281, 86227967, 234047339, 1638331373]

約数ペア:

[(1, 1638331373), (7, 234047339), (19, 86227967), (133, 12318281), (569, 2879317), (3983, 411331), (10811, 151543), (21649, 75677)]