1319881216

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{59951}}^1$

素因数の和:60012

約数の個数: 40

約数和(自身を含む): 2698559424

約数和(自身を除く): 1378678208

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1376, 2752, 5504, 11008, 22016, 59951, 119902, 239804, 479608, 959216, 1918432, 2577893, 3836864, 5155786, 7673728, 10311572, 15347456, 20623144, 30694912, 41246288, 82492576, 164985152, 329970304, 659940608, 1319881216]

約数ペア:

[(1, 1319881216), (2, 659940608), (4, 329970304), (8, 164985152), (16, 82492576), (32, 41246288), (43, 30694912), (64, 20623144), (86, 15347456), (128, 10311572), (172, 7673728), (256, 5155786), (344, 3836864), (512, 2577893), (688, 1918432), (1376, 959216), (2752, 479608), (5504, 239804), (11008, 119902), (22016, 59951)]