1640672008

素因数分解:

$2^3\times {\mathrm{937}}^1\times {\mathrm{218873}}^1$

素因数の和:219816

約数の個数: 16

約数和(自身を含む): 3079557180

約数和(自身を除く): 1438885172

約数列:

[1, 2, 4, 8, 937, 1874, 3748, 7496, 218873, 437746, 875492, 1750984, 205084001, 410168002, 820336004, 1640672008]

約数ペア:

[(1, 1640672008), (2, 820336004), (4, 410168002), (8, 205084001), (937, 1750984), (1874, 875492), (3748, 437746), (7496, 218873)]