209871808

素因数分解:

$2^6\times {\mathrm{83}}^1\times {\mathrm{39509}}^1$

素因数の和:39604

約数の個数: 28

約数和(自身を含む): 421492680

約数和(自身を除く): 211620872

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 166, 332, 664, 1328, 2656, 5312, 39509, 79018, 158036, 316072, 632144, 1264288, 2528576, 3279247, 6558494, 13116988, 26233976, 52467952, 104935904, 209871808]

約数ペア:

[(1, 209871808), (2, 104935904), (4, 52467952), (8, 26233976), (16, 13116988), (32, 6558494), (64, 3279247), (83, 2528576), (166, 1264288), (332, 632144), (664, 316072), (1328, 158036), (2656, 79018), (5312, 39509)]