278511948

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{54101}}^1$

素因数の和:54135

約数の個数: 72

約数和(自身を含む): 827111376

約数和(自身を除く): 548599428

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 33, 36, 39, 44, 52, 66, 78, 99, 117, 132, 143, 156, 198, 234, 286, 396, 429, 468, 572, 858, 1287, 1716, 2574, 5148, 54101, 108202, 162303, 216404, 324606, 486909, 595111, 649212, 703313, 973818, 1190222, 1406626, 1785333, 1947636, 2109939, 2380444, 2813252, 3570666, 4219878, 5355999, 6329817, 7141332, 7736443, 8439756, 10711998, 12659634, 15472886, 21423996, 23209329, 25319268, 30945772, 46418658, 69627987, 92837316, 139255974, 278511948]

約数ペア:

[(1, 278511948), (2, 139255974), (3, 92837316), (4, 69627987), (6, 46418658), (9, 30945772), (11, 25319268), (12, 23209329), (13, 21423996), (18, 15472886), (22, 12659634), (26, 10711998), (33, 8439756), (36, 7736443), (39, 7141332), (44, 6329817), (52, 5355999), (66, 4219878), (78, 3570666), (99, 2813252), (117, 2380444), (132, 2109939), (143, 1947636), (156, 1785333), (198, 1406626), (234, 1190222), (286, 973818), (396, 703313), (429, 649212), (468, 595111), (572, 486909), (858, 324606), (1287, 216404), (1716, 162303), (2574, 108202), (5148, 54101)]