131216204

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1571}}^1$

素因数の和:1758

約数の個数: 48

約数和(自身を含む): 278181120

約数和(自身を除く): 146964916

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 157, 266, 314, 532, 628, 1099, 1571, 2198, 2983, 3142, 4396, 5966, 6284, 10997, 11932, 20881, 21994, 29849, 41762, 43988, 59698, 83524, 119396, 208943, 246647, 417886, 493294, 835772, 986588, 1726529, 3453058, 4686293, 6906116, 9372586, 18745172, 32804051, 65608102, 131216204]

約数ペア:

[(1, 131216204), (2, 65608102), (4, 32804051), (7, 18745172), (14, 9372586), (19, 6906116), (28, 4686293), (38, 3453058), (76, 1726529), (133, 986588), (157, 835772), (266, 493294), (314, 417886), (532, 246647), (628, 208943), (1099, 119396), (1571, 83524), (2198, 59698), (2983, 43988), (3142, 41762), (4396, 29849), (5966, 21994), (6284, 20881), (10997, 11932)]