81005316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15809}}^1$

素因数の和:15884

約数の個数: 48

約数和(自身を含む): 219569280

約数和(自身を除く): 138563964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 5124, 15809, 31618, 47427, 63236, 94854, 110663, 189708, 221326, 331989, 442652, 663978, 964349, 1327956, 1928698, 2893047, 3857396, 5786094, 6750443, 11572188, 13500886, 20251329, 27001772, 40502658, 81005316]

約数ペア:

[(1, 81005316), (2, 40502658), (3, 27001772), (4, 20251329), (6, 13500886), (7, 11572188), (12, 6750443), (14, 5786094), (21, 3857396), (28, 2893047), (42, 1928698), (61, 1327956), (84, 964349), (122, 663978), (183, 442652), (244, 331989), (366, 221326), (427, 189708), (732, 110663), (854, 94854), (1281, 63236), (1708, 47427), (2562, 31618), (5124, 15809)]