72847918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{254713}}^1$

素因数の和:254739

約数の個数: 16

約数和(自身を含む): 128375856

約数和(自身を除く): 55527938

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 254713, 509426, 2801843, 3311269, 5603686, 6622538, 36423959, 72847918]

約数ペア:

[(1, 72847918), (2, 36423959), (11, 6622538), (13, 5603686), (22, 3311269), (26, 2801843), (143, 509426), (286, 254713)]