249905258

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{21139}}^1$

素因数の和:21421

約数の個数: 16

約数和(自身を含む): 392696640

約数和(自身を除く): 142791382

約数列:

[1, 2, 23, 46, 257, 514, 5911, 11822, 21139, 42278, 486197, 972394, 5432723, 10865446, 124952629, 249905258]

約数ペア:

[(1, 249905258), (2, 124952629), (23, 10865446), (46, 5432723), (257, 972394), (514, 486197), (5911, 42278), (11822, 21139)]