1389921344

素因数分解:

$2^6\times 7^1\times {\mathrm{3102503}}^1$

素因数の和:3102522

約数の個数: 28

約数和(自身を含む): 3152144064

約数和(自身を除く): 1762222720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 3102503, 6205006, 12410012, 21717521, 24820024, 43435042, 49640048, 86870084, 99280096, 173740168, 198560192, 347480336, 694960672, 1389921344]

約数ペア:

[(1, 1389921344), (2, 694960672), (4, 347480336), (7, 198560192), (8, 173740168), (14, 99280096), (16, 86870084), (28, 49640048), (32, 43435042), (56, 24820024), (64, 21717521), (112, 12410012), (224, 6205006), (448, 3102503)]