2517988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 4868640

約数和(自身を除く): 2350652

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 643, 979, 1286, 1958, 2572, 3916, 7073, 14146, 28292, 57227, 114454, 228908, 629497, 1258994, 2517988]

約数ペア:

[(1, 2517988), (2, 1258994), (4, 629497), (11, 228908), (22, 114454), (44, 57227), (89, 28292), (178, 14146), (356, 7073), (643, 3916), (979, 2572), (1286, 1958)]