388642163

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 495718272

約数和(自身を除く): 107076109

約数列:

[1, 7, 13, 53, 61, 91, 371, 427, 689, 793, 1321, 3233, 4823, 5551, 9247, 17173, 22631, 42029, 70013, 80581, 120211, 294203, 490091, 564067, 910169, 1047553, 4270793, 6371183, 7332871, 29895551, 55520309, 388642163]

約数ペア:

[(1, 388642163), (7, 55520309), (13, 29895551), (53, 7332871), (61, 6371183), (91, 4270793), (371, 1047553), (427, 910169), (689, 564067), (793, 490091), (1321, 294203), (3233, 120211), (4823, 80581), (5551, 70013), (9247, 42029), (17173, 22631)]