2008321904

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1767889}}^1$

素因数の和:1767968

約数の個数: 20

約数和(自身を含む): 3945930480

約数和(自身を除く): 1937608576

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1767889, 3535778, 7071556, 14143112, 28286224, 125520119, 251040238, 502080476, 1004160952, 2008321904]

約数ペア:

[(1, 2008321904), (2, 1004160952), (4, 502080476), (8, 251040238), (16, 125520119), (71, 28286224), (142, 14143112), (284, 7071556), (568, 3535778), (1136, 1767889)]