7421428

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1109}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 14918400

約数和(自身を除く): 7496972

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 956, 1109, 1673, 2218, 3346, 4436, 6692, 7763, 15526, 31052, 265051, 530102, 1060204, 1855357, 3710714, 7421428]

約数ペア:

[(1, 7421428), (2, 3710714), (4, 1855357), (7, 1060204), (14, 530102), (28, 265051), (239, 31052), (478, 15526), (956, 7763), (1109, 6692), (1673, 4436), (2218, 3346)]