257828886

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{97441}}^1$

素因数の和:97466

約数の個数: 48

約数和(自身を含む): 666503280

約数和(自身を除く): 408674394

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 97441, 194882, 292323, 584646, 682087, 876969, 1364174, 1753938, 2046261, 2630907, 4092522, 4774609, 5261814, 6138783, 9549218, 12277566, 14323827, 18416349, 28647654, 36832698, 42971481, 85942962, 128914443, 257828886]

約数ペア:

[(1, 257828886), (2, 128914443), (3, 85942962), (6, 42971481), (7, 36832698), (9, 28647654), (14, 18416349), (18, 14323827), (21, 12277566), (27, 9549218), (42, 6138783), (49, 5261814), (54, 4774609), (63, 4092522), (98, 2630907), (126, 2046261), (147, 1753938), (189, 1364174), (294, 876969), (378, 682087), (441, 584646), (882, 292323), (1323, 194882), (2646, 97441)]