81898568

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{829}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 157318200

約数和(自身を除く): 75419632

約数列:

[1, 2, 4, 8, 53, 106, 212, 233, 424, 466, 829, 932, 1658, 1864, 3316, 6632, 12349, 24698, 43937, 49396, 87874, 98792, 175748, 193157, 351496, 386314, 772628, 1545256, 10237321, 20474642, 40949284, 81898568]

約数ペア:

[(1, 81898568), (2, 40949284), (4, 20474642), (8, 10237321), (53, 1545256), (106, 772628), (212, 386314), (233, 351496), (424, 193157), (466, 175748), (829, 98792), (932, 87874), (1658, 49396), (1864, 43937), (3316, 24698), (6632, 12349)]