664502494

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1\times {\mathrm{19603}}^1$

素因数の和:20619

約数の個数: 16

約数和(自身を含む): 1056498768

約数和(自身を除く): 391996274

約数列:

[1, 2, 17, 34, 997, 1994, 16949, 19603, 33898, 39206, 333251, 666502, 19544191, 39088382, 332251247, 664502494]

約数ペア:

[(1, 664502494), (2, 332251247), (17, 39088382), (34, 19544191), (997, 666502), (1994, 333251), (16949, 39206), (19603, 33898)]