1257807733

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{757}}^1$

素因数の和:858

約数の個数: 48

約数和(自身を含む): 1686034560

約数和(自身を除く): 428226827

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 403, 589, 757, 961, 1729, 2821, 4123, 5299, 6727, 7657, 9841, 12493, 14383, 18259, 23467, 53599, 68887, 87451, 100681, 127813, 164269, 186979, 237367, 305071, 445873, 727477, 1308853, 1661569, 2135497, 3121111, 5092339, 5796349, 9457201, 13822063, 40574443, 66200407, 96754441, 179686819, 1257807733]

約数ペア:

[(1, 1257807733), (7, 179686819), (13, 96754441), (19, 66200407), (31, 40574443), (91, 13822063), (133, 9457201), (217, 5796349), (247, 5092339), (403, 3121111), (589, 2135497), (757, 1661569), (961, 1308853), (1729, 727477), (2821, 445873), (4123, 305071), (5299, 237367), (6727, 186979), (7657, 164269), (9841, 127813), (12493, 100681), (14383, 87451), (18259, 68887), (23467, 53599)]