81427190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{626363}}^1$

素因数の和:626383

約数の個数: 16

約数和(自身を含む): 157843728

約数和(自身を除く): 76416538

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 626363, 1252726, 3131815, 6263630, 8142719, 16285438, 40713595, 81427190]

約数ペア:

[(1, 81427190), (2, 40713595), (5, 16285438), (10, 8142719), (13, 6263630), (26, 3131815), (65, 1252726), (130, 626363)]