256862438

素因数分解:

$2^1\times 7^1\times {\mathrm{1669}}^1\times {\mathrm{10993}}^1$

素因数の和:12671

約数の個数: 16

約数和(自身を含む): 440639520

約数和(自身を除く): 183777082

約数列:

[1, 2, 7, 14, 1669, 3338, 10993, 11683, 21986, 23366, 76951, 153902, 18347317, 36694634, 128431219, 256862438]

約数ペア:

[(1, 256862438), (2, 128431219), (7, 36694634), (14, 18347317), (1669, 153902), (3338, 76951), (10993, 23366), (11683, 21986)]