81227868

素因数分解:

$2^2\times 3^1\times {\mathrm{389}}^1\times {\mathrm{17401}}^1$

素因数の和:17797

約数の個数: 24

約数和(自身を含む): 190029840

約数和(自身を除く): 108801972

約数列:

[1, 2, 3, 4, 6, 12, 389, 778, 1167, 1556, 2334, 4668, 17401, 34802, 52203, 69604, 104406, 208812, 6768989, 13537978, 20306967, 27075956, 40613934, 81227868]

約数ペア:

[(1, 81227868), (2, 40613934), (3, 27075956), (4, 20306967), (6, 13537978), (12, 6768989), (389, 208812), (778, 104406), (1167, 69604), (1556, 52203), (2334, 34802), (4668, 17401)]