1289726228

素因数分解:

$2^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{157207}}^1$

素因数の和:157511

約数の個数: 24

約数和(自身を含む): 2588272512

約数和(自身を除く): 1298546284

約数列:

[1, 2, 4, 7, 14, 28, 293, 586, 1172, 2051, 4102, 8204, 157207, 314414, 628828, 1100449, 2200898, 4401796, 46061651, 92123302, 184246604, 322431557, 644863114, 1289726228]

約数ペア:

[(1, 1289726228), (2, 644863114), (4, 322431557), (7, 184246604), (14, 92123302), (28, 46061651), (293, 4401796), (586, 2200898), (1172, 1100449), (2051, 628828), (4102, 314414), (8204, 157207)]