7428428

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{739}}^1$

素因数の和:1109

約数の個数: 24

約数和(自身を含む): 14918400

約数和(自身を除く): 7489972

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 739, 1436, 1478, 2513, 2956, 5026, 5173, 10052, 10346, 20692, 265301, 530602, 1061204, 1857107, 3714214, 7428428]

約数ペア:

[(1, 7428428), (2, 3714214), (4, 1857107), (7, 1061204), (14, 530602), (28, 265301), (359, 20692), (718, 10346), (739, 10052), (1436, 5173), (1478, 5026), (2513, 2956)]