487990438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{136999}}^1$

素因数の和:137151

約数の個数: 16

約数和(自身を含む): 794052000

約数和(自身を除く): 306061562

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 136999, 273998, 1780987, 3561974, 18768863, 37537726, 243995219, 487990438]

約数ペア:

[(1, 487990438), (2, 243995219), (13, 37537726), (26, 18768863), (137, 3561974), (274, 1780987), (1781, 273998), (3562, 136999)]