261770364

素因数分解:

$2^2\times 3^2\times {\mathrm{107}}^1\times {\mathrm{67957}}^1$

素因数の和:68074

約数の個数: 36

約数和(自身を含む): 667891224

約数和(自身を除く): 406120860

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 107, 214, 321, 428, 642, 963, 1284, 1926, 3852, 67957, 135914, 203871, 271828, 407742, 611613, 815484, 1223226, 2446452, 7271399, 14542798, 21814197, 29085596, 43628394, 65442591, 87256788, 130885182, 261770364]

約数ペア:

[(1, 261770364), (2, 130885182), (3, 87256788), (4, 65442591), (6, 43628394), (9, 29085596), (12, 21814197), (18, 14542798), (36, 7271399), (107, 2446452), (214, 1223226), (321, 815484), (428, 611613), (642, 407742), (963, 271828), (1284, 203871), (1926, 135914), (3852, 67957)]