28981654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 48254976

約数和(自身を除く): 19273322

約数列:

[1, 2, 13, 26, 67, 127, 131, 134, 254, 262, 871, 1651, 1703, 1742, 3302, 3406, 8509, 8777, 16637, 17018, 17554, 33274, 110617, 114101, 216281, 221234, 228202, 432562, 1114679, 2229358, 14490827, 28981654]

約数ペア:

[(1, 28981654), (2, 14490827), (13, 2229358), (26, 1114679), (67, 432562), (127, 228202), (131, 221234), (134, 216281), (254, 114101), (262, 110617), (871, 33274), (1651, 17554), (1703, 17018), (1742, 16637), (3302, 8777), (3406, 8509)]