15678937904

素因数分解:

$2^4\times 7^1\times {\mathrm{139990517}}^1$

素因数の和:139990532

約数の個数: 20

約数和(自身を含む): 34717648464

約数和(自身を除く): 19038710560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139990517, 279981034, 559962068, 979933619, 1119924136, 1959867238, 2239848272, 3919734476, 7839468952, 15678937904]

約数ペア:

[(1, 15678937904), (2, 7839468952), (4, 3919734476), (7, 2239848272), (8, 1959867238), (14, 1119924136), (16, 979933619), (28, 559962068), (56, 279981034), (112, 139990517)]