67284368

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{247369}}^1$

素因数の和:247394

約数の個数: 20

約数和(自身を含む): 138032460

約数和(自身を除く): 70748092

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 247369, 494738, 989476, 1978952, 3957904, 4205273, 8410546, 16821092, 33642184, 67284368]

約数ペア:

[(1, 67284368), (2, 33642184), (4, 16821092), (8, 8410546), (16, 4205273), (17, 3957904), (34, 1978952), (68, 989476), (136, 494738), (272, 247369)]