257005910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{159631}}^1$

素因数の和:159668

約数の個数: 32

約数和(自身を含む): 551688192

約数和(自身を除く): 294682282

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 159631, 319262, 798155, 1117417, 1596310, 2234834, 3671513, 5587085, 7343026, 11174170, 18357565, 25700591, 36715130, 51401182, 128502955, 257005910]

約数ペア:

[(1, 257005910), (2, 128502955), (5, 51401182), (7, 36715130), (10, 25700591), (14, 18357565), (23, 11174170), (35, 7343026), (46, 5587085), (70, 3671513), (115, 2234834), (161, 1596310), (230, 1117417), (322, 798155), (805, 319262), (1610, 159631)]