81146390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{624203}}^1$

素因数の和:624223

約数の個数: 16

約数和(自身を含む): 157299408

約数和(自身を除く): 76153018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 624203, 1248406, 3121015, 6242030, 8114639, 16229278, 40573195, 81146390]

約数ペア:

[(1, 81146390), (2, 40573195), (5, 16229278), (10, 8114639), (13, 6242030), (26, 3121015), (65, 1248406), (130, 624203)]