249968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:944

約数の個数: 20

約数和(自身を含む): 513360

約数和(自身を除く): 263392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 919, 1838, 3676, 7352, 14704, 15623, 31246, 62492, 124984, 249968]

約数ペア:

[(1, 249968), (2, 124984), (4, 62492), (8, 31246), (16, 15623), (17, 14704), (34, 7352), (68, 3676), (136, 1838), (272, 919)]