81409016

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10723}}^1$

素因数の和:10815

約数の個数: 32

約数和(自身を含む): 166650960

約数和(自身を除く): 85241944

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 3796, 7592, 10723, 21446, 42892, 85784, 139399, 278798, 557596, 782779, 1115192, 1565558, 3131116, 6262232, 10176127, 20352254, 40704508, 81409016]

約数ペア:

[(1, 81409016), (2, 40704508), (4, 20352254), (8, 10176127), (13, 6262232), (26, 3131116), (52, 1565558), (73, 1115192), (104, 782779), (146, 557596), (292, 278798), (584, 139399), (949, 85784), (1898, 42892), (3796, 21446), (7592, 10723)]