128255888

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{27737}}^1$

素因数の和:27779

約数の個数: 30

約数和(自身を含む): 263982546

約数和(自身を除く): 135726658

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4624, 27737, 55474, 110948, 221896, 443792, 471529, 943058, 1886116, 3772232, 7544464, 8015993, 16031986, 32063972, 64127944, 128255888]

約数ペア:

[(1, 128255888), (2, 64127944), (4, 32063972), (8, 16031986), (16, 8015993), (17, 7544464), (34, 3772232), (68, 1886116), (136, 943058), (272, 471529), (289, 443792), (578, 221896), (1156, 110948), (2312, 55474), (4624, 27737)]