201309812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{51407}}^1$

素因数の和:51511

約数の個数: 24

約数和(自身を含む): 388644480

約数和(自身を除く): 187334668

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 51407, 102814, 205628, 565477, 1130954, 2261908, 4575223, 9150446, 18300892, 50327453, 100654906, 201309812]

約数ペア:

[(1, 201309812), (2, 100654906), (4, 50327453), (11, 18300892), (22, 9150446), (44, 4575223), (89, 2261908), (178, 1130954), (356, 565477), (979, 205628), (1958, 102814), (3916, 51407)]