1257029137

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{445597}}^1$

素因数の和:445648

約数の個数: 16

約数和(自身を含む): 1597023232

約数和(自身を除く): 339994095

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 445597, 3119179, 5792761, 13813507, 40549327, 96694549, 179575591, 1257029137]

約数ペア:

[(1, 1257029137), (7, 179575591), (13, 96694549), (31, 40549327), (91, 13813507), (217, 5792761), (403, 3119179), (2821, 445597)]