257406334

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{13267}}^1$

素因数の和:13467

約数の個数: 16

約数和(自身を含む): 394059600

約数和(自身を除く): 136653266

約数列:

[1, 2, 89, 109, 178, 218, 9701, 13267, 19402, 26534, 1180763, 1446103, 2361526, 2892206, 128703167, 257406334]

約数ペア:

[(1, 257406334), (2, 128703167), (89, 2892206), (109, 2361526), (178, 1446103), (218, 1180763), (9701, 26534), (13267, 19402)]