257873252

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{22853}}^1$

素因数の和:22908

約数の個数: 48

約数和(自身を含む): 573361152

約数和(自身を除く): 315487900

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 22853, 45706, 91412, 159971, 297089, 319942, 594178, 639884, 708443, 1188356, 1416886, 2079623, 2833772, 4159246, 4959101, 8318492, 9209759, 9918202, 18419518, 19836404, 36839036, 64468313, 128936626, 257873252]

約数ペア:

[(1, 257873252), (2, 128936626), (4, 64468313), (7, 36839036), (13, 19836404), (14, 18419518), (26, 9918202), (28, 9209759), (31, 8318492), (52, 4959101), (62, 4159246), (91, 2833772), (124, 2079623), (182, 1416886), (217, 1188356), (364, 708443), (403, 639884), (434, 594178), (806, 319942), (868, 297089), (1612, 159971), (2821, 91412), (5642, 45706), (11284, 22853)]