80831478

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{21149}}^1$

素因数の和:21181

約数の個数: 48

約数和(自身を含む): 202532400

約数和(自身を除く): 121700922

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 21149, 42298, 63447, 126894, 148043, 274937, 296086, 444129, 549874, 824811, 888258, 1036301, 1649622, 1924559, 2072602, 3108903, 3849118, 5773677, 6217806, 11547354, 13471913, 26943826, 40415739, 80831478]

約数ペア:

[(1, 80831478), (2, 40415739), (3, 26943826), (6, 13471913), (7, 11547354), (13, 6217806), (14, 5773677), (21, 3849118), (26, 3108903), (39, 2072602), (42, 1924559), (49, 1649622), (78, 1036301), (91, 888258), (98, 824811), (147, 549874), (182, 444129), (273, 296086), (294, 274937), (546, 148043), (637, 126894), (1274, 63447), (1911, 42298), (3822, 21149)]