1256221366

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{131707}}^1$

素因数の和:131979

約数の個数: 16

約数和(自身を含む): 1991424960

約数和(自身を除く): 735203594

約数列:

[1, 2, 19, 38, 251, 502, 4769, 9538, 131707, 263414, 2502433, 5004866, 33058457, 66116914, 628110683, 1256221366]

約数ペア:

[(1, 1256221366), (2, 628110683), (19, 66116914), (38, 33058457), (251, 5004866), (502, 2502433), (4769, 263414), (9538, 131707)]