289323452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{67789}}^1$

素因数の和:67901

約数の個数: 24

約数和(自身を含む): 558047280

約数和(自身を除く): 268723828

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 67789, 135578, 271156, 745679, 1491358, 2982716, 6575533, 13151066, 26302132, 72330863, 144661726, 289323452]

約数ペア:

[(1, 289323452), (2, 144661726), (4, 72330863), (11, 26302132), (22, 13151066), (44, 6575533), (97, 2982716), (194, 1491358), (388, 745679), (1067, 271156), (2134, 135578), (4268, 67789)]