40985966

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 72703488

約数和(自身を除く): 31717522

約数列:

[1, 2, 7, 14, 43, 86, 103, 206, 301, 602, 661, 721, 1322, 1442, 4429, 4627, 8858, 9254, 28423, 31003, 56846, 62006, 68083, 136166, 198961, 397922, 476581, 953162, 2927569, 5855138, 20492983, 40985966]

約数ペア:

[(1, 40985966), (2, 20492983), (7, 5855138), (14, 2927569), (43, 953162), (86, 476581), (103, 397922), (206, 198961), (301, 136166), (602, 68083), (661, 62006), (721, 56846), (1322, 31003), (1442, 28423), (4429, 9254), (4627, 8858)]