78281392

素因数分解:

$2^4\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1087}}^1$

素因数の和:1745

約数の個数: 40

約数和(自身を含む): 173766656

約数和(自身を除く): 95485264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 643, 1087, 1286, 2174, 2572, 4348, 4501, 5144, 7609, 8696, 9002, 10288, 15218, 17392, 18004, 30436, 36008, 60872, 72016, 121744, 698941, 1397882, 2795764, 4892587, 5591528, 9785174, 11183056, 19570348, 39140696, 78281392]

約数ペア:

[(1, 78281392), (2, 39140696), (4, 19570348), (7, 11183056), (8, 9785174), (14, 5591528), (16, 4892587), (28, 2795764), (56, 1397882), (112, 698941), (643, 121744), (1087, 72016), (1286, 60872), (2174, 36008), (2572, 30436), (4348, 18004), (4501, 17392), (5144, 15218), (7609, 10288), (8696, 9002)]