1959991

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:222

約数の個数: 16

約数和(自身を含む): 2285568

約数和(自身を除く): 325577

約数列:

[1, 11, 23, 61, 127, 253, 671, 1397, 1403, 2921, 7747, 15433, 32131, 85217, 178181, 1959991]

約数ペア:

[(1, 1959991), (11, 178181), (23, 85217), (61, 32131), (127, 15433), (253, 7747), (671, 2921), (1397, 1403)]