280804874

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{157933}}^1$

素因数の和:158069

約数の個数: 16

約数和(自身を含む): 485173248

約数和(自身を除く): 204368374

約数列:

[1, 2, 7, 14, 127, 254, 889, 1778, 157933, 315866, 1105531, 2211062, 20057491, 40114982, 140402437, 280804874]

約数ペア:

[(1, 280804874), (2, 140402437), (7, 40114982), (14, 20057491), (127, 2211062), (254, 1105531), (889, 315866), (1778, 157933)]