405676852

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{953}}^1$

素因数の和:1648

約数の個数: 48

約数和(自身を含む): 848800512

約数和(自身を除く): 443123660

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 661, 953, 1322, 1906, 2644, 3812, 4627, 6671, 9254, 13342, 15203, 18508, 21919, 26684, 30406, 43838, 60812, 87676, 106421, 153433, 212842, 306866, 425684, 613732, 629933, 1259866, 2519732, 4409531, 8819062, 14488459, 17638124, 28976918, 57953836, 101419213, 202838426, 405676852]

約数ペア:

[(1, 405676852), (2, 202838426), (4, 101419213), (7, 57953836), (14, 28976918), (23, 17638124), (28, 14488459), (46, 8819062), (92, 4409531), (161, 2519732), (322, 1259866), (644, 629933), (661, 613732), (953, 425684), (1322, 306866), (1906, 212842), (2644, 153433), (3812, 106421), (4627, 87676), (6671, 60812), (9254, 43838), (13342, 30406), (15203, 26684), (18508, 21919)]