215681256

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{427939}}^1$

素因数の和:427958

約数の個数: 48

約数和(自身を含む): 667586400

約数和(自身を除く): 451905144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 427939, 855878, 1283817, 1711756, 2567634, 2995573, 3423512, 3851451, 5135268, 5991146, 7702902, 8986719, 10270536, 11982292, 15405804, 17973438, 23964584, 26960157, 30811608, 35946876, 53920314, 71893752, 107840628, 215681256]

約数ペア:

[(1, 215681256), (2, 107840628), (3, 71893752), (4, 53920314), (6, 35946876), (7, 30811608), (8, 26960157), (9, 23964584), (12, 17973438), (14, 15405804), (18, 11982292), (21, 10270536), (24, 8986719), (28, 7702902), (36, 5991146), (42, 5135268), (56, 3851451), (63, 3423512), (72, 2995573), (84, 2567634), (126, 1711756), (168, 1283817), (252, 855878), (504, 427939)]