1389184447

素因数分解:

$7^2\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{983}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 1636872192

約数和(自身を除く): 247687745

約数列:

[1, 7, 49, 151, 191, 983, 1057, 1337, 6881, 7399, 9359, 28841, 48167, 148433, 187753, 201887, 1039031, 1314271, 1413209, 7273217, 9199897, 28350703, 198454921, 1389184447]

約数ペア:

[(1, 1389184447), (7, 198454921), (49, 28350703), (151, 9199897), (191, 7273217), (983, 1413209), (1057, 1314271), (1337, 1039031), (6881, 201887), (7399, 187753), (9359, 148433), (28841, 48167)]