397753448

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{3541}}^1$

素因数の和:4305

約数の個数: 32

約数和(自身を含む): 786324000

約数和(自身を除く): 388570552

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 739, 1478, 2956, 3541, 5912, 7082, 14041, 14164, 28082, 28328, 56164, 67279, 112328, 134558, 269116, 538232, 2616799, 5233598, 10467196, 20934392, 49719181, 99438362, 198876724, 397753448]

約数ペア:

[(1, 397753448), (2, 198876724), (4, 99438362), (8, 49719181), (19, 20934392), (38, 10467196), (76, 5233598), (152, 2616799), (739, 538232), (1478, 269116), (2956, 134558), (3541, 112328), (5912, 67279), (7082, 56164), (14041, 28328), (14164, 28082)]