28457478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11887}}^1$

素因数の和:11921

約数の個数: 48

約数和(自身を含む): 74181120

約数和(自身を除く): 45723642

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 11887, 23774, 35661, 71322, 83209, 106983, 166418, 213966, 225853, 249627, 451706, 499254, 677559, 748881, 1355118, 1497762, 1580971, 2032677, 3161942, 4065354, 4742913, 9485826, 14228739, 28457478]

約数ペア:

[(1, 28457478), (2, 14228739), (3, 9485826), (6, 4742913), (7, 4065354), (9, 3161942), (14, 2032677), (18, 1580971), (19, 1497762), (21, 1355118), (38, 748881), (42, 677559), (57, 499254), (63, 451706), (114, 249627), (126, 225853), (133, 213966), (171, 166418), (266, 106983), (342, 83209), (399, 71322), (798, 35661), (1197, 23774), (2394, 11887)]