81745976

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{4651}}^1$

素因数の和:4696

約数の個数: 32

約数和(自身を含む): 166076400

約数和(自身を除く): 84330424

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 2197, 4394, 4651, 8788, 9302, 17576, 18604, 37208, 60463, 120926, 241852, 483704, 786019, 1572038, 3144076, 6288152, 10218247, 20436494, 40872988, 81745976]

約数ペア:

[(1, 81745976), (2, 40872988), (4, 20436494), (8, 10218247), (13, 6288152), (26, 3144076), (52, 1572038), (104, 786019), (169, 483704), (338, 241852), (676, 120926), (1352, 60463), (2197, 37208), (4394, 18604), (4651, 17576), (8788, 9302)]