1388045470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19829221}}^1$

素因数の和:19829235

約数の個数: 16

約数和(自身を含む): 2855407968

約数和(自身を除く): 1467362498

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 19829221, 39658442, 99146105, 138804547, 198292210, 277609094, 694022735, 1388045470]

約数ペア:

[(1, 1388045470), (2, 694022735), (5, 277609094), (7, 198292210), (10, 138804547), (14, 99146105), (35, 39658442), (70, 19829221)]