256649638

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{345889}}^1$

素因数の和:345951

約数の個数: 16

約数和(自身を含む): 448273440

約数和(自身を除く): 191623802

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 345889, 691778, 2421223, 4842446, 18332117, 36664234, 128324819, 256649638]

約数ペア:

[(1, 256649638), (2, 128324819), (7, 36664234), (14, 18332117), (53, 4842446), (106, 2421223), (371, 691778), (742, 345889)]