128538448

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{641}}^1$

素因数の和:883

約数の個数: 40

約数和(自身を含む): 254108736

約数和(自身を除く): 125570288

約数列:

[1, 2, 4, 8, 16, 83, 151, 166, 302, 332, 604, 641, 664, 1208, 1282, 1328, 2416, 2564, 5128, 10256, 12533, 25066, 50132, 53203, 96791, 100264, 106406, 193582, 200528, 212812, 387164, 425624, 774328, 851248, 1548656, 8033653, 16067306, 32134612, 64269224, 128538448]

約数ペア:

[(1, 128538448), (2, 64269224), (4, 32134612), (8, 16067306), (16, 8033653), (83, 1548656), (151, 851248), (166, 774328), (302, 425624), (332, 387164), (604, 212812), (641, 200528), (664, 193582), (1208, 106406), (1282, 100264), (1328, 96791), (2416, 53203), (2564, 50132), (5128, 25066), (10256, 12533)]