72120388

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{27277}}^1$

素因数の和:27942

約数の個数: 12

約数和(自身を含む): 126406252

約数和(自身を除く): 54285864

約数列:

[1, 2, 4, 661, 1322, 2644, 27277, 54554, 109108, 18030097, 36060194, 72120388]

約数ペア:

[(1, 72120388), (2, 36060194), (4, 18030097), (661, 109108), (1322, 54554), (2644, 27277)]