81751904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{196519}}^1$

素因数の和:196542

約数の個数: 24

約数和(自身を含む): 173330640

約数和(自身を除く): 91578736

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 196519, 393038, 786076, 1572152, 2554747, 3144304, 5109494, 6288608, 10218988, 20437976, 40875952, 81751904]

約数ペア:

[(1, 81751904), (2, 40875952), (4, 20437976), (8, 10218988), (13, 6288608), (16, 5109494), (26, 3144304), (32, 2554747), (52, 1572152), (104, 786076), (208, 393038), (416, 196519)]