189747649

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2143}}^1$

素因数の和:2309

約数の個数: 24

約数和(自身を含む): 239527680

約数和(自身を除く): 49780031

約数列:

[1, 7, 13, 49, 91, 139, 637, 973, 1807, 2143, 6811, 12649, 15001, 27859, 88543, 105007, 195013, 297877, 1365091, 2085139, 3872401, 14595973, 27106807, 189747649]

約数ペア:

[(1, 189747649), (7, 27106807), (13, 14595973), (49, 3872401), (91, 2085139), (139, 1365091), (637, 297877), (973, 195013), (1807, 105007), (2143, 88543), (6811, 27859), (12649, 15001)]