1640748088

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{412663}}^1$

素因数の和:412747

約数の個数: 32

約数和(自身を含む): 3565416960

約数和(自身を除く): 1924668872

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 412663, 825326, 1650652, 2888641, 3301304, 5777282, 11554564, 23109128, 29299073, 58598146, 117196292, 205093511, 234392584, 410187022, 820374044, 1640748088]

約数ペア:

[(1, 1640748088), (2, 820374044), (4, 410187022), (7, 234392584), (8, 205093511), (14, 117196292), (28, 58598146), (56, 29299073), (71, 23109128), (142, 11554564), (284, 5777282), (497, 3301304), (568, 2888641), (994, 1650652), (1988, 825326), (3976, 412663)]