87671992

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{644647}}^1$

素因数の和:644670

約数の個数: 16

約数和(自身を含む): 174054960

約数和(自身を除く): 86382968

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 644647, 1289294, 2578588, 5157176, 10958999, 21917998, 43835996, 87671992]

約数ペア:

[(1, 87671992), (2, 43835996), (4, 21917998), (8, 10958999), (17, 5157176), (34, 2578588), (68, 1289294), (136, 644647)]