257112304

素因数分解:

$2^4\times {\mathrm{1021}}^1\times {\mathrm{15739}}^1$

素因数の和:16768

約数の個数: 20

約数和(自身を含む): 498674680

約数和(自身を除く): 241562376

約数列:

[1, 2, 4, 8, 16, 1021, 2042, 4084, 8168, 15739, 16336, 31478, 62956, 125912, 251824, 16069519, 32139038, 64278076, 128556152, 257112304]

約数ペア:

[(1, 257112304), (2, 128556152), (4, 64278076), (8, 32139038), (16, 16069519), (1021, 251824), (2042, 125912), (4084, 62956), (8168, 31478), (15739, 16336)]