81373286

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 130014720

約数和(自身を除く): 48641434

約数列:

[1, 2, 37, 43, 74, 86, 107, 214, 239, 478, 1591, 3182, 3959, 4601, 7918, 8843, 9202, 10277, 17686, 20554, 25573, 51146, 170237, 340474, 380249, 760498, 946201, 1099639, 1892402, 2199278, 40686643, 81373286]

約数ペア:

[(1, 81373286), (2, 40686643), (37, 2199278), (43, 1892402), (74, 1099639), (86, 946201), (107, 760498), (214, 380249), (239, 340474), (478, 170237), (1591, 51146), (3182, 25573), (3959, 20554), (4601, 17686), (7918, 10277), (8843, 9202)]