1640783984

素因数分解:

$2^4\times 7^1\times {\mathrm{14649857}}^1$

素因数の和:14649872

約数の個数: 20

約数和(自身を含む): 3633164784

約数和(自身を除く): 1992380800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 14649857, 29299714, 58599428, 102548999, 117198856, 205097998, 234397712, 410195996, 820391992, 1640783984]

約数ペア:

[(1, 1640783984), (2, 820391992), (4, 410195996), (7, 234397712), (8, 205097998), (14, 117198856), (16, 102548999), (28, 58599428), (56, 29299714), (112, 14649857)]