17768933

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 23654400

約数和(自身を除く): 5885467

約数列:

[1, 7, 13, 19, 43, 91, 133, 239, 247, 301, 559, 817, 1673, 1729, 3107, 3913, 4541, 5719, 10277, 10621, 21749, 31787, 59033, 71939, 74347, 133601, 195263, 413231, 935207, 1366841, 2538419, 17768933]

約数ペア:

[(1, 17768933), (7, 2538419), (13, 1366841), (19, 935207), (43, 413231), (91, 195263), (133, 133601), (239, 74347), (247, 71939), (301, 59033), (559, 31787), (817, 21749), (1673, 10621), (1729, 10277), (3107, 5719), (3913, 4541)]