1289320210

素因数分解:

$2^1\times 5^1\times {\mathrm{3313}}^1\times {\mathrm{38917}}^1$

素因数の和:42237

約数の個数: 16

約数和(自身を含む): 2321536536

約数和(自身を除く): 1032216326

約数列:

[1, 2, 5, 10, 3313, 6626, 16565, 33130, 38917, 77834, 194585, 389170, 128932021, 257864042, 644660105, 1289320210]

約数ペア:

[(1, 1289320210), (2, 644660105), (5, 257864042), (10, 128932021), (3313, 389170), (6626, 194585), (16565, 77834), (33130, 38917)]