1979159

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:279

約数の個数: 18

約数和(自身を含む): 2503440

約数和(自身を除く): 524281

約数列:

[1, 7, 13, 49, 91, 169, 239, 637, 1183, 1673, 3107, 8281, 11711, 21749, 40391, 152243, 282737, 1979159]

約数ペア:

[(1, 1979159), (7, 282737), (13, 152243), (49, 40391), (91, 21749), (169, 11711), (239, 8281), (637, 3107), (1183, 1673)]