1187228

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 2402400

約数和(自身を除く): 1215172

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 389, 436, 763, 778, 1526, 1556, 2723, 3052, 5446, 10892, 42401, 84802, 169604, 296807, 593614, 1187228]

約数ペア:

[(1, 1187228), (2, 593614), (4, 296807), (7, 169604), (14, 84802), (28, 42401), (109, 10892), (218, 5446), (389, 3052), (436, 2723), (763, 1556), (778, 1526)]