39397876

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{21001}}^1$

素因数の和:21079

約数の個数: 24

約数和(自身を含む): 79975616

約数和(自身を除く): 40577740

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 268, 469, 938, 1876, 21001, 42002, 84004, 147007, 294014, 588028, 1407067, 2814134, 5628268, 9849469, 19698938, 39397876]

約数ペア:

[(1, 39397876), (2, 19698938), (4, 9849469), (7, 5628268), (14, 2814134), (28, 1407067), (67, 588028), (134, 294014), (268, 147007), (469, 84004), (938, 42002), (1876, 21001)]