278963113

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{953}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 346187520

約数和(自身を除く): 67224407

約数列:

[1, 11, 13, 23, 89, 143, 253, 299, 953, 979, 1157, 2047, 3289, 10483, 12389, 12727, 21919, 22517, 26611, 84817, 136279, 241109, 284947, 292721, 932987, 1102621, 1950791, 3134417, 12128831, 21458701, 25360283, 278963113]

約数ペア:

[(1, 278963113), (11, 25360283), (13, 21458701), (23, 12128831), (89, 3134417), (143, 1950791), (253, 1102621), (299, 932987), (953, 292721), (979, 284947), (1157, 241109), (2047, 136279), (3289, 84817), (10483, 26611), (12389, 22517), (12727, 21919)]