25872889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4139}}^1$

素因数の和:4212

約数の個数: 16

約数和(自身を含む): 31795200

約数和(自身を除く): 5922311

約数列:

[1, 7, 19, 47, 133, 329, 893, 4139, 6251, 28973, 78641, 194533, 550487, 1361731, 3696127, 25872889]

約数ペア:

[(1, 25872889), (7, 3696127), (19, 1361731), (47, 550487), (133, 194533), (329, 78641), (893, 28973), (4139, 6251)]