207376468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1997}}^2$

素因数の和:4011

約数の個数: 18

約数和(自身を含む): 391020686

約数和(自身を除く): 183644218

約数列:

[1, 2, 4, 13, 26, 52, 1997, 3994, 7988, 25961, 51922, 103844, 3988009, 7976018, 15952036, 51844117, 103688234, 207376468]

約数ペア:

[(1, 207376468), (2, 103688234), (4, 51844117), (13, 15952036), (26, 7976018), (52, 3988009), (1997, 103844), (3994, 51922), (7988, 25961)]