81987766

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{87407}}^1$

素因数の和:87483

約数の個数: 16

約数和(自身を含む): 142649856

約数和(自身を除く): 60662090

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 87407, 174814, 611849, 1223698, 5856269, 11712538, 40993883, 81987766]

約数ペア:

[(1, 81987766), (2, 40993883), (7, 11712538), (14, 5856269), (67, 1223698), (134, 611849), (469, 174814), (938, 87407)]