215385708

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{780383}}^1$

素因数の和:780413

約数の個数: 24

約数和(自身を含む): 524418048

約数和(自身を除く): 309032340

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 780383, 1560766, 2341149, 3121532, 4682298, 9364596, 17948809, 35897618, 53846427, 71795236, 107692854, 215385708]

約数ペア:

[(1, 215385708), (2, 107692854), (3, 71795236), (4, 53846427), (6, 35897618), (12, 17948809), (23, 9364596), (46, 4682298), (69, 3121532), (92, 2341149), (138, 1560766), (276, 780383)]