644242648

素因数分解:

$2^3\times 7^1\times {\mathrm{11504333}}^1$

素因数の和:11504346

約数の個数: 16

約数和(自身を含む): 1380520080

約数和(自身を除く): 736277432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 11504333, 23008666, 46017332, 80530331, 92034664, 161060662, 322121324, 644242648]

約数ペア:

[(1, 644242648), (2, 322121324), (4, 161060662), (7, 92034664), (8, 80530331), (14, 46017332), (28, 23008666), (56, 11504333)]