640187736

素因数分解:

$2^3\times 3^1\times {\mathrm{26674489}}^1$

素因数の和:26674498

約数の個数: 16

約数和(自身を含む): 1600469400

約数和(自身を除く): 960281664

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 26674489, 53348978, 80023467, 106697956, 160046934, 213395912, 320093868, 640187736]

約数ペア:

[(1, 640187736), (2, 320093868), (3, 213395912), (4, 160046934), (6, 106697956), (8, 80023467), (12, 53348978), (24, 26674489)]