81012542

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163993}}^1$

素因数の和:164027

約数の個数: 16

約数和(自身を含む): 137754960

約数和(自身を除く): 56742418

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 163993, 327986, 2131909, 3115867, 4263818, 6231734, 40506271, 81012542]

約数ペア:

[(1, 81012542), (2, 40506271), (13, 6231734), (19, 4263818), (26, 3115867), (38, 2131909), (247, 327986), (494, 163993)]