71812976

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{109471}}^1$

素因数の和:109520

約数の個数: 20

約数和(自身を含む): 142532544

約数和(自身を除く): 70719568

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 109471, 218942, 437884, 875768, 1751536, 4488311, 8976622, 17953244, 35906488, 71812976]

約数ペア:

[(1, 71812976), (2, 35906488), (4, 17953244), (8, 8976622), (16, 4488311), (41, 1751536), (82, 875768), (164, 437884), (328, 218942), (656, 109471)]