82987216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{398977}}^1$

素因数の和:398998

約数の個数: 20

約数和(自身を含む): 173156452

約数和(自身を除く): 90169236

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 398977, 797954, 1595908, 3191816, 5186701, 6383632, 10373402, 20746804, 41493608, 82987216]

約数ペア:

[(1, 82987216), (2, 41493608), (4, 20746804), (8, 10373402), (13, 6383632), (16, 5186701), (26, 3191816), (52, 1595908), (104, 797954), (208, 398977)]