81964688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6679}}^1$

素因数の和:6759

約数の個数: 40

約数和(自身を含む): 173947200

約数和(自身を除く): 91982512

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 208, 236, 472, 767, 944, 1534, 3068, 6136, 6679, 12272, 13358, 26716, 53432, 86827, 106864, 173654, 347308, 394061, 694616, 788122, 1389232, 1576244, 3152488, 5122793, 6304976, 10245586, 20491172, 40982344, 81964688]

約数ペア:

[(1, 81964688), (2, 40982344), (4, 20491172), (8, 10245586), (13, 6304976), (16, 5122793), (26, 3152488), (52, 1576244), (59, 1389232), (104, 788122), (118, 694616), (208, 394061), (236, 347308), (472, 173654), (767, 106864), (944, 86827), (1534, 53432), (3068, 26716), (6136, 13358), (6679, 12272)]