31111106

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{211}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 51928128

約数和(自身を除く): 20817022

約数列:

[1, 2, 13, 26, 53, 106, 107, 211, 214, 422, 689, 1378, 1391, 2743, 2782, 5486, 5671, 11183, 11342, 22366, 22577, 45154, 73723, 145379, 147446, 290758, 293501, 587002, 1196581, 2393162, 15555553, 31111106]

約数ペア:

[(1, 31111106), (2, 15555553), (13, 2393162), (26, 1196581), (53, 587002), (106, 293501), (107, 290758), (211, 147446), (214, 145379), (422, 73723), (689, 45154), (1378, 22577), (1391, 22366), (2743, 11342), (2782, 11183), (5486, 5671)]