251312

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 20

約数和(自身を含む): 494760

約数和(自身を除く): 243448

約数列:

[1, 2, 4, 8, 16, 113, 139, 226, 278, 452, 556, 904, 1112, 1808, 2224, 15707, 31414, 62828, 125656, 251312]

約数ペア:

[(1, 251312), (2, 125656), (4, 62828), (8, 31414), (16, 15707), (113, 2224), (139, 1808), (226, 1112), (278, 904), (452, 556)]