13857431

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 17998848

約数和(自身を除く): 4141417

約数列:

[1, 7, 17, 23, 61, 83, 119, 161, 391, 427, 581, 1037, 1403, 1411, 1909, 2737, 5063, 7259, 9821, 9877, 13363, 23851, 32453, 35441, 86071, 116449, 166957, 227171, 602497, 815143, 1979633, 13857431]

約数ペア:

[(1, 13857431), (7, 1979633), (17, 815143), (23, 602497), (61, 227171), (83, 166957), (119, 116449), (161, 86071), (391, 35441), (427, 32453), (581, 23851), (1037, 13363), (1403, 9877), (1411, 9821), (1909, 7259), (2737, 5063)]