138992042

素因数分解:

$2^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{28447}}^1$

素因数の和:28805

約数の個数: 16

約数和(自身を含む): 238963200

約数和(自身を除く): 99971158

約数列:

[1, 2, 7, 14, 349, 698, 2443, 4886, 28447, 56894, 199129, 398258, 9928003, 19856006, 69496021, 138992042]

約数ペア:

[(1, 138992042), (2, 69496021), (7, 19856006), (14, 9928003), (349, 398258), (698, 199129), (2443, 56894), (4886, 28447)]