207376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1018

約数の個数: 20

約数和(自身を含む): 433132

約数和(自身を除く): 225756

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 997, 1994, 3988, 7976, 12961, 15952, 25922, 51844, 103688, 207376]

約数ペア:

[(1, 207376), (2, 103688), (4, 51844), (8, 25922), (13, 15952), (16, 12961), (26, 7976), (52, 3988), (104, 1994), (208, 997)]