157465217

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1593

約数の個数: 32

約数和(自身を含む): 207486720

約数和(自身を除く): 50021503

約数列:

[1, 7, 13, 19, 61, 91, 133, 247, 427, 793, 1159, 1493, 1729, 5551, 8113, 10451, 15067, 19409, 28367, 91073, 105469, 135863, 198569, 368771, 637511, 1183949, 1730387, 2581397, 8287643, 12112709, 22495031, 157465217]

約数ペア:

[(1, 157465217), (7, 22495031), (13, 12112709), (19, 8287643), (61, 2581397), (91, 1730387), (133, 1183949), (247, 637511), (427, 368771), (793, 198569), (1159, 135863), (1493, 105469), (1729, 91073), (5551, 28367), (8113, 19409), (10451, 15067)]