131249846

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 256413696

約数和(自身を除く): 125163850

約数列:

[1, 2, 7, 13, 14, 26, 31, 43, 62, 86, 91, 182, 217, 301, 403, 434, 541, 559, 602, 806, 1082, 1118, 1333, 2666, 2821, 3787, 3913, 5642, 7033, 7574, 7826, 9331, 14066, 16771, 17329, 18662, 23263, 33542, 34658, 46526, 49231, 98462, 117397, 121303, 162841, 218023, 234794, 242606, 302419, 325682, 436046, 604838, 721153, 1442306, 1526161, 2116933, 3052322, 4233866, 5048071, 9374989, 10096142, 18749978, 65624923, 131249846]

約数ペア:

[(1, 131249846), (2, 65624923), (7, 18749978), (13, 10096142), (14, 9374989), (26, 5048071), (31, 4233866), (43, 3052322), (62, 2116933), (86, 1526161), (91, 1442306), (182, 721153), (217, 604838), (301, 436046), (403, 325682), (434, 302419), (541, 242606), (559, 234794), (602, 218023), (806, 162841), (1082, 121303), (1118, 117397), (1333, 98462), (2666, 49231), (2821, 46526), (3787, 34658), (3913, 33542), (5642, 23263), (7033, 18662), (7574, 17329), (7826, 16771), (9331, 14066)]