9870248972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{991387}}^1$

素因数の和:991541

約数の個数: 24

約数和(自身を含む): 18320850240

約数和(自身を除く): 8450601268

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 2489, 4978, 9956, 991387, 1982774, 3965548, 18836353, 37672706, 75345412, 129871697, 259743394, 519486788, 2467562243, 4935124486, 9870248972]

約数ペア:

[(1, 9870248972), (2, 4935124486), (4, 2467562243), (19, 519486788), (38, 259743394), (76, 129871697), (131, 75345412), (262, 37672706), (524, 18836353), (2489, 3965548), (4978, 1982774), (9956, 991387)]