87128258

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{44773}}^1$

素因数の和:44921

約数の個数: 16

約数和(自身を含む): 150440640

約数和(自身を除く): 63312382

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 44773, 89546, 313411, 626822, 6223447, 12446894, 43564129, 87128258]

約数ペア:

[(1, 87128258), (2, 43564129), (7, 12446894), (14, 6223447), (139, 626822), (278, 313411), (973, 89546), (1946, 44773)]