1621004833

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 1964851200

約数和(自身を除く): 343846367

約数列:

[1, 7, 23, 103, 161, 239, 409, 721, 1673, 2369, 2863, 5497, 9407, 16583, 24617, 38479, 42127, 65849, 97751, 172319, 294889, 566191, 684257, 968921, 2248273, 3963337, 6782447, 10068353, 15737911, 70478471, 231572119, 1621004833]

約数ペア:

[(1, 1621004833), (7, 231572119), (23, 70478471), (103, 15737911), (161, 10068353), (239, 6782447), (409, 3963337), (721, 2248273), (1673, 968921), (2369, 684257), (2863, 566191), (5497, 294889), (9407, 172319), (16583, 97751), (24617, 65849), (38479, 42127)]