42474538

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:790

約数の個数: 24

約数和(自身を含む): 68099940

約数和(自身を除く): 25625402

約数列:

[1, 2, 19, 38, 89, 178, 361, 661, 722, 1322, 1691, 3382, 12559, 25118, 32129, 58829, 64258, 117658, 238621, 477242, 1117751, 2235502, 21237269, 42474538]

約数ペア:

[(1, 42474538), (2, 21237269), (19, 2235502), (38, 1117751), (89, 477242), (178, 238621), (361, 117658), (661, 64258), (722, 58829), (1322, 32129), (1691, 25118), (3382, 12559)]