438888970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{683}}^1\times {\mathrm{4943}}^1$

素因数の和:5646

約数の個数: 32

約数和(自身を含む): 852187392

約数和(自身を除く): 413298422

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 683, 1366, 3415, 4943, 6830, 8879, 9886, 17758, 24715, 44395, 49430, 64259, 88790, 128518, 321295, 642590, 3376069, 6752138, 16880345, 33760690, 43888897, 87777794, 219444485, 438888970]

約数ペア:

[(1, 438888970), (2, 219444485), (5, 87777794), (10, 43888897), (13, 33760690), (26, 16880345), (65, 6752138), (130, 3376069), (683, 642590), (1366, 321295), (3415, 128518), (4943, 88790), (6830, 64259), (8879, 49430), (9886, 44395), (17758, 24715)]