12804512455

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21520189}}^1$

素因数の和:21520218

約数の個数: 16

約数和(自身を含む): 18593444160

約数和(自身を除く): 5788931705

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 21520189, 107600945, 150641323, 365843213, 753206615, 1829216065, 2560902491, 12804512455]

約数ペア:

[(1, 12804512455), (5, 2560902491), (7, 1829216065), (17, 753206615), (35, 365843213), (85, 150641323), (119, 107600945), (595, 21520189)]