15981616

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4603}}^1$

素因数の和:4649

約数の個数: 40

約数和(自身を含む): 36537344

約数和(自身を除く): 20555728

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 4603, 9206, 18412, 32221, 36824, 64442, 73648, 128884, 142693, 257768, 285386, 515536, 570772, 998851, 1141544, 1997702, 2283088, 3995404, 7990808, 15981616]

約数ペア:

[(1, 15981616), (2, 7990808), (4, 3995404), (7, 2283088), (8, 1997702), (14, 1141544), (16, 998851), (28, 570772), (31, 515536), (56, 285386), (62, 257768), (112, 142693), (124, 128884), (217, 73648), (248, 64442), (434, 36824), (496, 32221), (868, 18412), (1736, 9206), (3472, 4603)]