13226213

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 18100992

約数和(自身を除く): 4874779

約数列:

[1, 7, 11, 13, 73, 77, 91, 143, 181, 511, 803, 949, 1001, 1267, 1991, 2353, 5621, 6643, 10439, 13213, 13937, 16471, 25883, 73073, 92491, 145343, 171769, 181181, 1017401, 1202383, 1889459, 13226213]

約数ペア:

[(1, 13226213), (7, 1889459), (11, 1202383), (13, 1017401), (73, 181181), (77, 171769), (91, 145343), (143, 92491), (181, 73073), (511, 25883), (803, 16471), (949, 13937), (1001, 13213), (1267, 10439), (1991, 6643), (2353, 5621)]