207620609

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2447}}^1$

素因数の和:2525

約数の個数: 32

約数和(自身を含む): 270729216

約数和(自身を除く): 63108607

約数列:

[1, 7, 17, 23, 31, 119, 161, 217, 391, 527, 713, 2447, 2737, 3689, 4991, 12121, 17129, 41599, 56281, 75857, 84847, 291193, 393967, 530999, 956777, 1289569, 1744711, 6697439, 9026983, 12212977, 29660087, 207620609]

約数ペア:

[(1, 207620609), (7, 29660087), (17, 12212977), (23, 9026983), (31, 6697439), (119, 1744711), (161, 1289569), (217, 956777), (391, 530999), (527, 393967), (713, 291193), (2447, 84847), (2737, 75857), (3689, 56281), (4991, 41599), (12121, 17129)]