39639808

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 87507728

約数和(自身を除く): 47867920

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 172, 208, 256, 277, 344, 416, 554, 559, 688, 832, 1108, 1118, 1376, 1664, 2216, 2236, 2752, 3328, 3601, 4432, 4472, 5504, 7202, 8864, 8944, 11008, 11911, 14404, 17728, 17888, 23822, 28808, 35456, 35776, 47644, 57616, 70912, 71552, 95288, 115232, 143104, 154843, 190576, 230464, 309686, 381152, 460928, 619372, 762304, 921856, 1238744, 1524608, 2477488, 3049216, 4954976, 9909952, 19819904, 39639808]

約数ペア:

[(1, 39639808), (2, 19819904), (4, 9909952), (8, 4954976), (13, 3049216), (16, 2477488), (26, 1524608), (32, 1238744), (43, 921856), (52, 762304), (64, 619372), (86, 460928), (104, 381152), (128, 309686), (172, 230464), (208, 190576), (256, 154843), (277, 143104), (344, 115232), (416, 95288), (554, 71552), (559, 70912), (688, 57616), (832, 47644), (1108, 35776), (1118, 35456), (1376, 28808), (1664, 23822), (2216, 17888), (2236, 17728), (2752, 14404), (3328, 11911), (3601, 11008), (4432, 8944), (4472, 8864), (5504, 7202)]