1611238

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 16

約数和(自身を含む): 2574000

約数和(自身を除く): 962762

約数列:

[1, 2, 19, 38, 109, 218, 389, 778, 2071, 4142, 7391, 14782, 42401, 84802, 805619, 1611238]

約数ペア:

[(1, 1611238), (2, 805619), (19, 84802), (38, 42401), (109, 14782), (218, 7391), (389, 4142), (778, 2071)]